90400280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 209230560

約数和(自身を除く): 118830280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 146, 166, 292, 332, 365, 373, 415, 584, 664, 730, 746, 830, 1460, 1492, 1660, 1865, 2920, 2984, 3320, 3730, 6059, 7460, 12118, 14920, 24236, 27229, 30295, 30959, 48472, 54458, 60590, 61918, 108916, 121180, 123836, 136145, 154795, 217832, 242360, 247672, 272290, 309590, 544580, 619180, 1089160, 1238360, 2260007, 4520014, 9040028, 11300035, 18080056, 22600070, 45200140, 90400280]

約数ペア:

[(1, 90400280), (2, 45200140), (4, 22600070), (5, 18080056), (8, 11300035), (10, 9040028), (20, 4520014), (40, 2260007), (73, 1238360), (83, 1089160), (146, 619180), (166, 544580), (292, 309590), (332, 272290), (365, 247672), (373, 242360), (415, 217832), (584, 154795), (664, 136145), (730, 123836), (746, 121180), (830, 108916), (1460, 61918), (1492, 60590), (1660, 54458), (1865, 48472), (2920, 30959), (2984, 30295), (3320, 27229), (3730, 24236), (6059, 14920), (7460, 12118)]