218599600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 180

約数和(自身を含む): 585333568

約数和(自身を除く): 366733968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 61, 62, 68, 80, 85, 100, 122, 124, 136, 155, 170, 200, 244, 248, 272, 289, 305, 310, 340, 400, 425, 488, 496, 527, 578, 610, 620, 680, 775, 850, 976, 1037, 1054, 1156, 1220, 1240, 1360, 1445, 1525, 1550, 1700, 1891, 2074, 2108, 2312, 2440, 2480, 2635, 2890, 3050, 3100, 3400, 3782, 4148, 4216, 4624, 4880, 5185, 5270, 5780, 6100, 6200, 6800, 7225, 7564, 8296, 8432, 8959, 9455, 10370, 10540, 11560, 12200, 12400, 13175, 14450, 15128, 16592, 17629, 17918, 18910, 20740, 21080, 23120, 24400, 25925, 26350, 28900, 30256, 32147, 35258, 35836, 37820, 41480, 42160, 44795, 47275, 51850, 52700, 57800, 64294, 70516, 71672, 75640, 82960, 88145, 89590, 94550, 103700, 105400, 115600, 128588, 141032, 143344, 151280, 160735, 176290, 179180, 189100, 207400, 210800, 223975, 257176, 282064, 321470, 352580, 358360, 378200, 414800, 440725, 447950, 514352, 546499, 642940, 705160, 716720, 756400, 803675, 881450, 895900, 1092998, 1285880, 1410320, 1607350, 1762900, 1791800, 2185996, 2571760, 2732495, 3214700, 3525800, 3583600, 4371992, 5464990, 6429400, 7051600, 8743984, 10929980, 12858800, 13662475, 21859960, 27324950, 43719920, 54649900, 109299800, 218599600]

約数ペア:

[(1, 218599600), (2, 109299800), (4, 54649900), (5, 43719920), (8, 27324950), (10, 21859960), (16, 13662475), (17, 12858800), (20, 10929980), (25, 8743984), (31, 7051600), (34, 6429400), (40, 5464990), (50, 4371992), (61, 3583600), (62, 3525800), (68, 3214700), (80, 2732495), (85, 2571760), (100, 2185996), (122, 1791800), (124, 1762900), (136, 1607350), (155, 1410320), (170, 1285880), (200, 1092998), (244, 895900), (248, 881450), (272, 803675), (289, 756400), (305, 716720), (310, 705160), (340, 642940), (400, 546499), (425, 514352), (488, 447950), (496, 440725), (527, 414800), (578, 378200), (610, 358360), (620, 352580), (680, 321470), (775, 282064), (850, 257176), (976, 223975), (1037, 210800), (1054, 207400), (1156, 189100), (1220, 179180), (1240, 176290), (1360, 160735), (1445, 151280), (1525, 143344), (1550, 141032), (1700, 128588), (1891, 115600), (2074, 105400), (2108, 103700), (2312, 94550), (2440, 89590), (2480, 88145), (2635, 82960), (2890, 75640), (3050, 71672), (3100, 70516), (3400, 64294), (3782, 57800), (4148, 52700), (4216, 51850), (4624, 47275), (4880, 44795), (5185, 42160), (5270, 41480), (5780, 37820), (6100, 35836), (6200, 35258), (6800, 32147), (7225, 30256), (7564, 28900), (8296, 26350), (8432, 25925), (8959, 24400), (9455, 23120), (10370, 21080), (10540, 20740), (11560, 18910), (12200, 17918), (12400, 17629), (13175, 16592), (14450, 15128)]