212189375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 286783200

約数和(自身を除く): 74593825

約数列:

[1, 5, 23, 25, 29, 115, 125, 145, 509, 575, 625, 667, 725, 2545, 2875, 3335, 3625, 11707, 12725, 14375, 14761, 16675, 18125, 58535, 63625, 73805, 83375, 292675, 318125, 339503, 369025, 416875, 1463375, 1697515, 1845125, 7316875, 8487575, 9225625, 42437875, 212189375]

約数ペア:

[(1, 212189375), (5, 42437875), (23, 9225625), (25, 8487575), (29, 7316875), (115, 1845125), (125, 1697515), (145, 1463375), (509, 416875), (575, 369025), (625, 339503), (667, 318125), (725, 292675), (2545, 83375), (2875, 73805), (3335, 63625), (3625, 58535), (11707, 18125), (12725, 16675), (14375, 14761)]