1914883940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 4274726400

約数和(自身を除く): 2359842460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 61, 74, 118, 122, 148, 185, 236, 244, 295, 305, 370, 590, 610, 719, 740, 1180, 1220, 1438, 2183, 2257, 2876, 3595, 3599, 4366, 4514, 7190, 7198, 8732, 9028, 10915, 11285, 14380, 14396, 17995, 21830, 22570, 26603, 35990, 42421, 43660, 43859, 45140, 53206, 71980, 84842, 87718, 106412, 133015, 133163, 169684, 175436, 212105, 219295, 266030, 266326, 424210, 438590, 532060, 532652, 665815, 848420, 877180, 1331630, 1569577, 1622783, 2587681, 2663260, 3139154, 3245566, 5175362, 6278308, 6491132, 7847885, 8113915, 10350724, 12938405, 15695770, 16227830, 25876810, 31391540, 32455660, 51753620, 95744197, 191488394, 382976788, 478720985, 957441970, 1914883940]

約数ペア:

[(1, 1914883940), (2, 957441970), (4, 478720985), (5, 382976788), (10, 191488394), (20, 95744197), (37, 51753620), (59, 32455660), (61, 31391540), (74, 25876810), (118, 16227830), (122, 15695770), (148, 12938405), (185, 10350724), (236, 8113915), (244, 7847885), (295, 6491132), (305, 6278308), (370, 5175362), (590, 3245566), (610, 3139154), (719, 2663260), (740, 2587681), (1180, 1622783), (1220, 1569577), (1438, 1331630), (2183, 877180), (2257, 848420), (2876, 665815), (3595, 532652), (3599, 532060), (4366, 438590), (4514, 424210), (7190, 266326), (7198, 266030), (8732, 219295), (9028, 212105), (10915, 175436), (11285, 169684), (14380, 133163), (14396, 133015), (17995, 106412), (21830, 87718), (22570, 84842), (26603, 71980), (35990, 53206), (42421, 45140), (43660, 43859)]