74993960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 175633920

約数和(自身を除く): 100639960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 307, 310, 394, 614, 620, 788, 985, 1228, 1240, 1535, 1576, 1970, 2456, 3070, 3940, 6107, 6140, 7880, 9517, 12214, 12280, 19034, 24428, 30535, 38068, 47585, 48856, 60479, 61070, 76136, 95170, 120958, 122140, 190340, 241916, 244280, 302395, 380680, 483832, 604790, 1209580, 1874849, 2419160, 3749698, 7499396, 9374245, 14998792, 18748490, 37496980, 74993960]

約数ペア:

[(1, 74993960), (2, 37496980), (4, 18748490), (5, 14998792), (8, 9374245), (10, 7499396), (20, 3749698), (31, 2419160), (40, 1874849), (62, 1209580), (124, 604790), (155, 483832), (197, 380680), (248, 302395), (307, 244280), (310, 241916), (394, 190340), (614, 122140), (620, 120958), (788, 95170), (985, 76136), (1228, 61070), (1240, 60479), (1535, 48856), (1576, 47585), (1970, 38068), (2456, 30535), (3070, 24428), (3940, 19034), (6107, 12280), (6140, 12214), (7880, 9517)]