253460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 604800

約数和(自身を除く): 351340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 76, 92, 95, 115, 116, 145, 190, 230, 290, 380, 437, 460, 551, 580, 667, 874, 1102, 1334, 1748, 2185, 2204, 2668, 2755, 3335, 4370, 5510, 6670, 8740, 11020, 12673, 13340, 25346, 50692, 63365, 126730, 253460]

約数ペア:

[(1, 253460), (2, 126730), (4, 63365), (5, 50692), (10, 25346), (19, 13340), (20, 12673), (23, 11020), (29, 8740), (38, 6670), (46, 5510), (58, 4370), (76, 3335), (92, 2755), (95, 2668), (115, 2204), (116, 2185), (145, 1748), (190, 1334), (230, 1102), (290, 874), (380, 667), (437, 580), (460, 551)]