643653620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{45137}}^1$

素因数の和:45200

約数の個数: 48

約数和(自身を含む): 1455971328

約数和(自身を除く): 812317708

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 14260, 45137, 90274, 180548, 225685, 451370, 902740, 1038151, 1399247, 2076302, 2798494, 4152604, 5190755, 5596988, 6996235, 10381510, 13992470, 20763020, 27984940, 32182681, 64365362, 128730724, 160913405, 321826810, 643653620]

約数ペア:

[(1, 643653620), (2, 321826810), (4, 160913405), (5, 128730724), (10, 64365362), (20, 32182681), (23, 27984940), (31, 20763020), (46, 13992470), (62, 10381510), (92, 6996235), (115, 5596988), (124, 5190755), (155, 4152604), (230, 2798494), (310, 2076302), (460, 1399247), (620, 1038151), (713, 902740), (1426, 451370), (2852, 225685), (3565, 180548), (7130, 90274), (14260, 45137)]