406454080

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66851}}^1$

素因数の和:66887

約数の個数: 56

約数和(自身を含む): 1018824480

約数和(自身を除く): 612370400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 66851, 133702, 267404, 334255, 534808, 668510, 1069616, 1270169, 1337020, 2139232, 2540338, 2674040, 4278464, 5080676, 5348080, 6350845, 10161352, 10696160, 12701690, 20322704, 21392320, 25403380, 40645408, 50806760, 81290816, 101613520, 203227040, 406454080]

約数ペア:

[(1, 406454080), (2, 203227040), (4, 101613520), (5, 81290816), (8, 50806760), (10, 40645408), (16, 25403380), (19, 21392320), (20, 20322704), (32, 12701690), (38, 10696160), (40, 10161352), (64, 6350845), (76, 5348080), (80, 5080676), (95, 4278464), (152, 2674040), (160, 2540338), (190, 2139232), (304, 1337020), (320, 1270169), (380, 1069616), (608, 668510), (760, 534808), (1216, 334255), (1520, 267404), (3040, 133702), (6080, 66851)]