221259080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 656916480

約数和(自身を除く): 435657400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 43, 46, 47, 56, 68, 70, 85, 86, 92, 94, 115, 119, 136, 140, 161, 170, 172, 184, 188, 215, 230, 235, 238, 280, 301, 322, 329, 340, 344, 376, 391, 430, 460, 470, 476, 595, 602, 644, 658, 680, 731, 782, 799, 805, 860, 920, 940, 952, 989, 1081, 1190, 1204, 1288, 1316, 1462, 1505, 1564, 1598, 1610, 1645, 1720, 1880, 1955, 1978, 2021, 2162, 2380, 2408, 2632, 2737, 2924, 3010, 3128, 3196, 3220, 3290, 3655, 3910, 3956, 3995, 4042, 4324, 4760, 4945, 5117, 5405, 5474, 5593, 5848, 6020, 6392, 6440, 6580, 6923, 7310, 7567, 7820, 7912, 7990, 8084, 8648, 9890, 10105, 10234, 10810, 10948, 11186, 12040, 13160, 13685, 13846, 14147, 14620, 15134, 15640, 15980, 16168, 16813, 18377, 19780, 20210, 20468, 21620, 21896, 22372, 25585, 27370, 27692, 27965, 28294, 29240, 30268, 31960, 33626, 34357, 34615, 36754, 37835, 39560, 40420, 40936, 43240, 44744, 46483, 51170, 54740, 55384, 55930, 56588, 60536, 67252, 68714, 69230, 70735, 73508, 75670, 80840, 84065, 91885, 92966, 102340, 109480, 111860, 113176, 117691, 128639, 134504, 137428, 138460, 141470, 147016, 151340, 168130, 171785, 183770, 185932, 204680, 223720, 232415, 235382, 240499, 257278, 274856, 276920, 282940, 302680, 325381, 336260, 343570, 367540, 371864, 464830, 470764, 480998, 514556, 565880, 588455, 643195, 650762, 672520, 687140, 735080, 790211, 929660, 941528, 961996, 1029112, 1176910, 1202495, 1286390, 1301524, 1374280, 1580422, 1626905, 1859320, 1923992, 2353820, 2404990, 2572780, 2603048, 3160844, 3253810, 3951055, 4707640, 4809980, 5145560, 5531477, 6321688, 6507620, 7902110, 9619960, 11062954, 13015240, 15804220, 22125908, 27657385, 31608440, 44251816, 55314770, 110629540, 221259080]

約数ペア:

[(1, 221259080), (2, 110629540), (4, 55314770), (5, 44251816), (7, 31608440), (8, 27657385), (10, 22125908), (14, 15804220), (17, 13015240), (20, 11062954), (23, 9619960), (28, 7902110), (34, 6507620), (35, 6321688), (40, 5531477), (43, 5145560), (46, 4809980), (47, 4707640), (56, 3951055), (68, 3253810), (70, 3160844), (85, 2603048), (86, 2572780), (92, 2404990), (94, 2353820), (115, 1923992), (119, 1859320), (136, 1626905), (140, 1580422), (161, 1374280), (170, 1301524), (172, 1286390), (184, 1202495), (188, 1176910), (215, 1029112), (230, 961996), (235, 941528), (238, 929660), (280, 790211), (301, 735080), (322, 687140), (329, 672520), (340, 650762), (344, 643195), (376, 588455), (391, 565880), (430, 514556), (460, 480998), (470, 470764), (476, 464830), (595, 371864), (602, 367540), (644, 343570), (658, 336260), (680, 325381), (731, 302680), (782, 282940), (799, 276920), (805, 274856), (860, 257278), (920, 240499), (940, 235382), (952, 232415), (989, 223720), (1081, 204680), (1190, 185932), (1204, 183770), (1288, 171785), (1316, 168130), (1462, 151340), (1505, 147016), (1564, 141470), (1598, 138460), (1610, 137428), (1645, 134504), (1720, 128639), (1880, 117691), (1955, 113176), (1978, 111860), (2021, 109480), (2162, 102340), (2380, 92966), (2408, 91885), (2632, 84065), (2737, 80840), (2924, 75670), (3010, 73508), (3128, 70735), (3196, 69230), (3220, 68714), (3290, 67252), (3655, 60536), (3910, 56588), (3956, 55930), (3995, 55384), (4042, 54740), (4324, 51170), (4760, 46483), (4945, 44744), (5117, 43240), (5405, 40936), (5474, 40420), (5593, 39560), (5848, 37835), (6020, 36754), (6392, 34615), (6440, 34357), (6580, 33626), (6923, 31960), (7310, 30268), (7567, 29240), (7820, 28294), (7912, 27965), (7990, 27692), (8084, 27370), (8648, 25585), (9890, 22372), (10105, 21896), (10234, 21620), (10810, 20468), (10948, 20210), (11186, 19780), (12040, 18377), (13160, 16813), (13685, 16168), (13846, 15980), (14147, 15640), (14620, 15134)]