67938140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 78302500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 233, 239, 244, 305, 466, 478, 610, 932, 956, 1165, 1195, 1220, 2330, 2390, 4660, 4780, 14213, 14579, 28426, 29158, 55687, 56852, 58316, 71065, 72895, 111374, 142130, 145790, 222748, 278435, 284260, 291580, 556870, 1113740, 3396907, 6793814, 13587628, 16984535, 33969070, 67938140]

約数ペア:

[(1, 67938140), (2, 33969070), (4, 16984535), (5, 13587628), (10, 6793814), (20, 3396907), (61, 1113740), (122, 556870), (233, 291580), (239, 284260), (244, 278435), (305, 222748), (466, 145790), (478, 142130), (610, 111374), (932, 72895), (956, 71065), (1165, 58316), (1195, 56852), (1220, 55687), (2330, 29158), (2390, 28426), (4660, 14579), (4780, 14213)]