313408040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37489}}^1$

素因数の和:37530

約数の個数: 64

約数和(自身を含む): 809784000

約数和(自身を除く): 496375960

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, 37489, 74978, 149956, 187445, 299912, 374890, 412379, 712291, 749780, 824758, 1424582, 1499560, 1649516, 2061895, 2849164, 3299032, 3561455, 4123790, 5698328, 7122910, 7835201, 8247580, 14245820, 15670402, 16495160, 28491640, 31340804, 39176005, 62681608, 78352010, 156704020, 313408040]

約数ペア:

[(1, 313408040), (2, 156704020), (4, 78352010), (5, 62681608), (8, 39176005), (10, 31340804), (11, 28491640), (19, 16495160), (20, 15670402), (22, 14245820), (38, 8247580), (40, 7835201), (44, 7122910), (55, 5698328), (76, 4123790), (88, 3561455), (95, 3299032), (110, 2849164), (152, 2061895), (190, 1649516), (209, 1499560), (220, 1424582), (380, 824758), (418, 749780), (440, 712291), (760, 412379), (836, 374890), (1045, 299912), (1672, 187445), (2090, 149956), (4180, 74978), (8360, 37489)]