28688100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 99993600

約数和(自身を除く): 71305500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 719, 798, 950, 1050, 1140, 1330, 1425, 1438, 1596, 1900, 1995, 2100, 2157, 2660, 2850, 2876, 3325, 3595, 3990, 4314, 5033, 5700, 6650, 7190, 7980, 8628, 9975, 10066, 10785, 13300, 13661, 14380, 15099, 17975, 19950, 20132, 21570, 25165, 27322, 30198, 35950, 39900, 40983, 43140, 50330, 53925, 54644, 60396, 68305, 71900, 75495, 81966, 95627, 100660, 107850, 125825, 136610, 150990, 163932, 191254, 204915, 215700, 251650, 273220, 286881, 301980, 341525, 377475, 382508, 409830, 478135, 503300, 573762, 683050, 754950, 819660, 956270, 1024575, 1147524, 1366100, 1434405, 1509900, 1912540, 2049150, 2390675, 2868810, 4098300, 4781350, 5737620, 7172025, 9562700, 14344050, 28688100]

約数ペア:

[(1, 28688100), (2, 14344050), (3, 9562700), (4, 7172025), (5, 5737620), (6, 4781350), (7, 4098300), (10, 2868810), (12, 2390675), (14, 2049150), (15, 1912540), (19, 1509900), (20, 1434405), (21, 1366100), (25, 1147524), (28, 1024575), (30, 956270), (35, 819660), (38, 754950), (42, 683050), (50, 573762), (57, 503300), (60, 478135), (70, 409830), (75, 382508), (76, 377475), (84, 341525), (95, 301980), (100, 286881), (105, 273220), (114, 251650), (133, 215700), (140, 204915), (150, 191254), (175, 163932), (190, 150990), (210, 136610), (228, 125825), (266, 107850), (285, 100660), (300, 95627), (350, 81966), (380, 75495), (399, 71900), (420, 68305), (475, 60396), (525, 54644), (532, 53925), (570, 50330), (665, 43140), (700, 40983), (719, 39900), (798, 35950), (950, 30198), (1050, 27322), (1140, 25165), (1330, 21570), (1425, 20132), (1438, 19950), (1596, 17975), (1900, 15099), (1995, 14380), (2100, 13661), (2157, 13300), (2660, 10785), (2850, 10066), (2876, 9975), (3325, 8628), (3595, 7980), (3990, 7190), (4314, 6650), (5033, 5700)]