249397720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 671328000

約数和(自身を除く): 421930280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 59, 65, 88, 104, 110, 118, 130, 143, 220, 236, 260, 286, 295, 440, 472, 520, 572, 590, 649, 715, 739, 767, 1144, 1180, 1298, 1430, 1478, 1534, 2360, 2596, 2860, 2956, 3068, 3245, 3695, 3835, 5192, 5720, 5912, 6136, 6490, 7390, 7670, 8129, 8437, 9607, 12980, 14780, 15340, 16258, 16874, 19214, 25960, 29560, 30680, 32516, 33748, 38428, 40645, 42185, 43601, 48035, 65032, 67496, 76856, 81290, 84370, 87202, 96070, 105677, 162580, 168740, 174404, 192140, 211354, 218005, 325160, 337480, 348808, 384280, 422708, 436010, 479611, 528385, 566813, 845416, 872020, 959222, 1056770, 1133626, 1744040, 1918444, 2113540, 2267252, 2398055, 2834065, 3836888, 4227080, 4534504, 4796110, 5668130, 6234943, 9592220, 11336260, 12469886, 19184440, 22672520, 24939772, 31174715, 49879544, 62349430, 124698860, 249397720]

約数ペア:

[(1, 249397720), (2, 124698860), (4, 62349430), (5, 49879544), (8, 31174715), (10, 24939772), (11, 22672520), (13, 19184440), (20, 12469886), (22, 11336260), (26, 9592220), (40, 6234943), (44, 5668130), (52, 4796110), (55, 4534504), (59, 4227080), (65, 3836888), (88, 2834065), (104, 2398055), (110, 2267252), (118, 2113540), (130, 1918444), (143, 1744040), (220, 1133626), (236, 1056770), (260, 959222), (286, 872020), (295, 845416), (440, 566813), (472, 528385), (520, 479611), (572, 436010), (590, 422708), (649, 384280), (715, 348808), (739, 337480), (767, 325160), (1144, 218005), (1180, 211354), (1298, 192140), (1430, 174404), (1478, 168740), (1534, 162580), (2360, 105677), (2596, 96070), (2860, 87202), (2956, 84370), (3068, 81290), (3245, 76856), (3695, 67496), (3835, 65032), (5192, 48035), (5720, 43601), (5912, 42185), (6136, 40645), (6490, 38428), (7390, 33748), (7670, 32516), (8129, 30680), (8437, 29560), (9607, 25960), (12980, 19214), (14780, 16874), (15340, 16258)]