1393669509140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1\times {\mathrm{102217}}^1$

素因数の和:124248

約数の個数: 48

約数和(自身を含む): 3021282776064

約数和(自身を除く): 1627613266924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21991, 43982, 87964, 102217, 109955, 204434, 219910, 408868, 439820, 511085, 681721, 1022170, 1363442, 2044340, 2726884, 3168727, 3408605, 6337454, 6817210, 12674908, 13634420, 15843635, 31687270, 63374540, 2247854047, 4495708094, 8991416188, 11239270235, 22478540470, 44957080940, 69683475457, 139366950914, 278733901828, 348417377285, 696834754570, 1393669509140]

約数ペア:

[(1, 1393669509140), (2, 696834754570), (4, 348417377285), (5, 278733901828), (10, 139366950914), (20, 69683475457), (31, 44957080940), (62, 22478540470), (124, 11239270235), (155, 8991416188), (310, 4495708094), (620, 2247854047), (21991, 63374540), (43982, 31687270), (87964, 15843635), (102217, 13634420), (109955, 12674908), (204434, 6817210), (219910, 6337454), (408868, 3408605), (439820, 3168727), (511085, 2726884), (681721, 2044340), (1022170, 1363442)]