876680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 2350080

約数和(自身を除く): 1473400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 101, 124, 140, 155, 202, 217, 248, 280, 310, 404, 434, 505, 620, 707, 808, 868, 1010, 1085, 1240, 1414, 1736, 2020, 2170, 2828, 3131, 3535, 4040, 4340, 5656, 6262, 7070, 8680, 12524, 14140, 15655, 21917, 25048, 28280, 31310, 43834, 62620, 87668, 109585, 125240, 175336, 219170, 438340, 876680]

約数ペア:

[(1, 876680), (2, 438340), (4, 219170), (5, 175336), (7, 125240), (8, 109585), (10, 87668), (14, 62620), (20, 43834), (28, 31310), (31, 28280), (35, 25048), (40, 21917), (56, 15655), (62, 14140), (70, 12524), (101, 8680), (124, 7070), (140, 6262), (155, 5656), (202, 4340), (217, 4040), (248, 3535), (280, 3131), (310, 2828), (404, 2170), (434, 2020), (505, 1736), (620, 1414), (707, 1240), (808, 1085), (868, 1010)]