77303380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 210978432

約数和(自身を除く): 133675052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 71, 77, 98, 101, 110, 140, 142, 154, 196, 202, 220, 245, 284, 308, 355, 385, 404, 490, 497, 505, 539, 707, 710, 770, 781, 980, 994, 1010, 1078, 1111, 1414, 1420, 1540, 1562, 1988, 2020, 2156, 2222, 2485, 2695, 2828, 3124, 3479, 3535, 3905, 4444, 4949, 4970, 5390, 5467, 5555, 6958, 7070, 7171, 7777, 7810, 9898, 9940, 10780, 10934, 11110, 13916, 14140, 14342, 15554, 15620, 17395, 19796, 21868, 22220, 24745, 27335, 28684, 31108, 34790, 35855, 38269, 38885, 49490, 50197, 54439, 54670, 69580, 71710, 76538, 77770, 78881, 98980, 100394, 108878, 109340, 143420, 153076, 155540, 157762, 191345, 200788, 217756, 250985, 272195, 315524, 351379, 382690, 394405, 501970, 544390, 552167, 702758, 765380, 788810, 1003940, 1088780, 1104334, 1405516, 1577620, 1756895, 2208668, 2760835, 3513790, 3865169, 5521670, 7027580, 7730338, 11043340, 15460676, 19325845, 38651690, 77303380]

約数ペア:

[(1, 77303380), (2, 38651690), (4, 19325845), (5, 15460676), (7, 11043340), (10, 7730338), (11, 7027580), (14, 5521670), (20, 3865169), (22, 3513790), (28, 2760835), (35, 2208668), (44, 1756895), (49, 1577620), (55, 1405516), (70, 1104334), (71, 1088780), (77, 1003940), (98, 788810), (101, 765380), (110, 702758), (140, 552167), (142, 544390), (154, 501970), (196, 394405), (202, 382690), (220, 351379), (245, 315524), (284, 272195), (308, 250985), (355, 217756), (385, 200788), (404, 191345), (490, 157762), (497, 155540), (505, 153076), (539, 143420), (707, 109340), (710, 108878), (770, 100394), (781, 98980), (980, 78881), (994, 77770), (1010, 76538), (1078, 71710), (1111, 69580), (1414, 54670), (1420, 54439), (1540, 50197), (1562, 49490), (1988, 38885), (2020, 38269), (2156, 35855), (2222, 34790), (2485, 31108), (2695, 28684), (2828, 27335), (3124, 24745), (3479, 22220), (3535, 21868), (3905, 19796), (4444, 17395), (4949, 15620), (4970, 15554), (5390, 14342), (5467, 14140), (5555, 13916), (6958, 11110), (7070, 10934), (7171, 10780), (7777, 9940), (7810, 9898)]