631077700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 1572399360

約数和(自身を除く): 941321660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 73, 100, 110, 116, 145, 146, 220, 271, 275, 290, 292, 319, 365, 542, 550, 580, 638, 725, 730, 803, 1084, 1100, 1276, 1355, 1450, 1460, 1595, 1606, 1825, 2117, 2710, 2900, 2981, 3190, 3212, 3650, 4015, 4234, 5420, 5962, 6380, 6775, 7300, 7859, 7975, 8030, 8468, 10585, 11924, 13550, 14905, 15718, 15950, 16060, 19783, 20075, 21170, 23287, 27100, 29810, 31436, 31900, 39295, 39566, 40150, 42340, 46574, 52925, 59620, 74525, 78590, 79132, 80300, 86449, 93148, 98915, 105850, 116435, 149050, 157180, 172898, 196475, 197830, 211700, 217613, 232870, 298100, 345796, 392950, 395660, 432245, 435226, 465740, 494575, 573707, 582175, 785900, 864490, 870452, 989150, 1088065, 1147414, 1164350, 1728980, 1978300, 2161225, 2176130, 2294828, 2328700, 2868535, 4322450, 4352260, 5440325, 5737070, 6310777, 8644900, 10880650, 11474140, 12621554, 14342675, 21761300, 25243108, 28685350, 31553885, 57370700, 63107770, 126215540, 157769425, 315538850, 631077700]

約数ペア:

[(1, 631077700), (2, 315538850), (4, 157769425), (5, 126215540), (10, 63107770), (11, 57370700), (20, 31553885), (22, 28685350), (25, 25243108), (29, 21761300), (44, 14342675), (50, 12621554), (55, 11474140), (58, 10880650), (73, 8644900), (100, 6310777), (110, 5737070), (116, 5440325), (145, 4352260), (146, 4322450), (220, 2868535), (271, 2328700), (275, 2294828), (290, 2176130), (292, 2161225), (319, 1978300), (365, 1728980), (542, 1164350), (550, 1147414), (580, 1088065), (638, 989150), (725, 870452), (730, 864490), (803, 785900), (1084, 582175), (1100, 573707), (1276, 494575), (1355, 465740), (1450, 435226), (1460, 432245), (1595, 395660), (1606, 392950), (1825, 345796), (2117, 298100), (2710, 232870), (2900, 217613), (2981, 211700), (3190, 197830), (3212, 196475), (3650, 172898), (4015, 157180), (4234, 149050), (5420, 116435), (5962, 105850), (6380, 98915), (6775, 93148), (7300, 86449), (7859, 80300), (7975, 79132), (8030, 78590), (8468, 74525), (10585, 59620), (11924, 52925), (13550, 46574), (14905, 42340), (15718, 40150), (15950, 39566), (16060, 39295), (19783, 31900), (20075, 31436), (21170, 29810), (23287, 27100)]