684908420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157813}}^1$

素因数の和:157860

約数の個数: 48

約数和(自身を含む): 1696816128

約数和(自身を除く): 1011907708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 157813, 315626, 631252, 789065, 1104691, 1578130, 2209382, 3156260, 4418764, 4892203, 5523455, 9784406, 11046910, 19568812, 22093820, 24461015, 34245421, 48922030, 68490842, 97844060, 136981684, 171227105, 342454210, 684908420]

約数ペア:

[(1, 684908420), (2, 342454210), (4, 171227105), (5, 136981684), (7, 97844060), (10, 68490842), (14, 48922030), (20, 34245421), (28, 24461015), (31, 22093820), (35, 19568812), (62, 11046910), (70, 9784406), (124, 5523455), (140, 4892203), (155, 4418764), (217, 3156260), (310, 2209382), (434, 1578130), (620, 1104691), (868, 789065), (1085, 631252), (2170, 315626), (4340, 157813)]