397777160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47581}}^1$

素因数の和:47622

約数の個数: 64

約数和(自身を含む): 1027771200

約数和(自身を除く): 629994040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 47581, 95162, 190324, 237905, 380648, 475810, 523391, 904039, 951620, 1046782, 1808078, 1903240, 2093564, 2616955, 3616156, 4187128, 4520195, 5233910, 7232312, 9040390, 9944429, 10467820, 18080780, 19888858, 20935640, 36161560, 39777716, 49722145, 79555432, 99444290, 198888580, 397777160]

約数ペア:

[(1, 397777160), (2, 198888580), (4, 99444290), (5, 79555432), (8, 49722145), (10, 39777716), (11, 36161560), (19, 20935640), (20, 19888858), (22, 18080780), (38, 10467820), (40, 9944429), (44, 9040390), (55, 7232312), (76, 5233910), (88, 4520195), (95, 4187128), (110, 3616156), (152, 2616955), (190, 2093564), (209, 1903240), (220, 1808078), (380, 1046782), (418, 951620), (440, 904039), (760, 523391), (836, 475810), (1045, 380648), (1672, 237905), (2090, 190324), (4180, 95162), (8360, 47581)]