201930080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 554235696

約数和(自身を除く): 352305616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 289, 340, 352, 374, 397, 440, 544, 578, 680, 748, 794, 880, 935, 1156, 1360, 1445, 1496, 1588, 1760, 1870, 1985, 2312, 2720, 2890, 2992, 3176, 3179, 3740, 3970, 4367, 4624, 5780, 5984, 6352, 6358, 6749, 7480, 7940, 8734, 9248, 11560, 12704, 12716, 13498, 14960, 15880, 15895, 17468, 21835, 23120, 25432, 26996, 29920, 31760, 31790, 33745, 34936, 43670, 46240, 50864, 53992, 63520, 63580, 67490, 69872, 74239, 87340, 101728, 107984, 114733, 127160, 134980, 139744, 148478, 174680, 215968, 229466, 254320, 269960, 296956, 349360, 371195, 458932, 508640, 539920, 573665, 593912, 698720, 742390, 917864, 1079840, 1147330, 1187824, 1262063, 1484780, 1835728, 2294660, 2375648, 2524126, 2969560, 3671456, 4589320, 5048252, 5939120, 6310315, 9178640, 10096504, 11878240, 12620630, 18357280, 20193008, 25241260, 40386016, 50482520, 100965040, 201930080]

約数ペア:

[(1, 201930080), (2, 100965040), (4, 50482520), (5, 40386016), (8, 25241260), (10, 20193008), (11, 18357280), (16, 12620630), (17, 11878240), (20, 10096504), (22, 9178640), (32, 6310315), (34, 5939120), (40, 5048252), (44, 4589320), (55, 3671456), (68, 2969560), (80, 2524126), (85, 2375648), (88, 2294660), (110, 1835728), (136, 1484780), (160, 1262063), (170, 1187824), (176, 1147330), (187, 1079840), (220, 917864), (272, 742390), (289, 698720), (340, 593912), (352, 573665), (374, 539920), (397, 508640), (440, 458932), (544, 371195), (578, 349360), (680, 296956), (748, 269960), (794, 254320), (880, 229466), (935, 215968), (1156, 174680), (1360, 148478), (1445, 139744), (1496, 134980), (1588, 127160), (1760, 114733), (1870, 107984), (1985, 101728), (2312, 87340), (2720, 74239), (2890, 69872), (2992, 67490), (3176, 63580), (3179, 63520), (3740, 53992), (3970, 50864), (4367, 46240), (4624, 43670), (5780, 34936), (5984, 33745), (6352, 31790), (6358, 31760), (6749, 29920), (7480, 26996), (7940, 25432), (8734, 23120), (9248, 21835), (11560, 17468), (12704, 15895), (12716, 15880), (13498, 14960)]