788391380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{25951}}^1$

素因数の和:26005

約数の個数: 72

約数和(自身を含む): 1988130816

約数和(自身を除く): 1199739436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 25951, 30380, 51902, 103804, 129755, 181657, 259510, 363314, 519020, 726628, 804481, 908285, 1271599, 1608962, 1816570, 2543198, 3217924, 3633140, 4022405, 5086396, 5631367, 6357995, 8044810, 11262734, 12715990, 16089620, 22525468, 25431980, 28156835, 39419569, 56313670, 78839138, 112627340, 157678276, 197097845, 394195690, 788391380]

約数ペア:

[(1, 788391380), (2, 394195690), (4, 197097845), (5, 157678276), (7, 112627340), (10, 78839138), (14, 56313670), (20, 39419569), (28, 28156835), (31, 25431980), (35, 22525468), (49, 16089620), (62, 12715990), (70, 11262734), (98, 8044810), (124, 6357995), (140, 5631367), (155, 5086396), (196, 4022405), (217, 3633140), (245, 3217924), (310, 2543198), (434, 1816570), (490, 1608962), (620, 1271599), (868, 908285), (980, 804481), (1085, 726628), (1519, 519020), (2170, 363314), (3038, 259510), (4340, 181657), (6076, 129755), (7595, 103804), (15190, 51902), (25951, 30380)]