389664440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5303}}^1$

素因数の和:5492

約数の個数: 64

約数和(自身を含む): 962357760

約数和(自身を除く): 572693320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 1336, 1670, 1837, 3340, 3674, 5303, 6680, 7348, 9185, 10606, 14696, 18370, 21212, 26515, 36740, 42424, 53030, 58333, 73480, 106060, 116666, 212120, 233332, 291665, 466664, 583330, 885601, 1166660, 1771202, 2333320, 3542404, 4428005, 7084808, 8856010, 9741611, 17712020, 19483222, 35424040, 38966444, 48708055, 77932888, 97416110, 194832220, 389664440]

約数ペア:

[(1, 389664440), (2, 194832220), (4, 97416110), (5, 77932888), (8, 48708055), (10, 38966444), (11, 35424040), (20, 19483222), (22, 17712020), (40, 9741611), (44, 8856010), (55, 7084808), (88, 4428005), (110, 3542404), (167, 2333320), (220, 1771202), (334, 1166660), (440, 885601), (668, 583330), (835, 466664), (1336, 291665), (1670, 233332), (1837, 212120), (3340, 116666), (3674, 106060), (5303, 73480), (6680, 58333), (7348, 53030), (9185, 42424), (10606, 36740), (14696, 26515), (18370, 21212)]