8901340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 22522752

約数和(自身を除く): 13621412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 293, 310, 434, 490, 586, 620, 868, 980, 1085, 1172, 1465, 1519, 2051, 2170, 2930, 3038, 4102, 4340, 5860, 6076, 7595, 8204, 9083, 10255, 14357, 15190, 18166, 20510, 28714, 30380, 36332, 41020, 45415, 57428, 63581, 71785, 90830, 127162, 143570, 181660, 254324, 287140, 317905, 445067, 635810, 890134, 1271620, 1780268, 2225335, 4450670, 8901340]

約数ペア:

[(1, 8901340), (2, 4450670), (4, 2225335), (5, 1780268), (7, 1271620), (10, 890134), (14, 635810), (20, 445067), (28, 317905), (31, 287140), (35, 254324), (49, 181660), (62, 143570), (70, 127162), (98, 90830), (124, 71785), (140, 63581), (155, 57428), (196, 45415), (217, 41020), (245, 36332), (293, 30380), (310, 28714), (434, 20510), (490, 18166), (586, 15190), (620, 14357), (868, 10255), (980, 9083), (1085, 8204), (1172, 7595), (1465, 6076), (1519, 5860), (2051, 4340), (2170, 4102), (2930, 3038)]