394848520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4253}}^1$

素因数の和:4486

約数の個数: 64

約数和(自身を含む): 973995840

約数和(自身を除く): 579147320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 844, 1055, 1688, 2110, 2321, 4220, 4253, 4642, 8440, 8506, 9284, 11605, 17012, 18568, 21265, 23210, 34024, 42530, 46420, 46783, 85060, 92840, 93566, 170120, 187132, 233915, 374264, 467830, 897383, 935660, 1794766, 1871320, 3589532, 4486915, 7179064, 8973830, 9871213, 17947660, 19742426, 35895320, 39484852, 49356065, 78969704, 98712130, 197424260, 394848520]

約数ペア:

[(1, 394848520), (2, 197424260), (4, 98712130), (5, 78969704), (8, 49356065), (10, 39484852), (11, 35895320), (20, 19742426), (22, 17947660), (40, 9871213), (44, 8973830), (55, 7179064), (88, 4486915), (110, 3589532), (211, 1871320), (220, 1794766), (422, 935660), (440, 897383), (844, 467830), (1055, 374264), (1688, 233915), (2110, 187132), (2321, 170120), (4220, 93566), (4253, 92840), (4642, 85060), (8440, 46783), (8506, 46420), (9284, 42530), (11605, 34024), (17012, 23210), (18568, 21265)]