245861840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3457}}^1$

素因数の和:3604

約数の個数: 80

約数和(自身を含む): 658624512

約数和(自身を除く): 412762672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3457, 3556, 4445, 5080, 6914, 7112, 8890, 10160, 13828, 14224, 17285, 17780, 24199, 27656, 34570, 35560, 48398, 55312, 69140, 71120, 96796, 120995, 138280, 193592, 241990, 276560, 387184, 439039, 483980, 878078, 967960, 1756156, 1935920, 2195195, 3073273, 3512312, 4390390, 6146546, 7024624, 8780780, 12293092, 15366365, 17561560, 24586184, 30732730, 35123120, 49172368, 61465460, 122930920, 245861840]

約数ペア:

[(1, 245861840), (2, 122930920), (4, 61465460), (5, 49172368), (7, 35123120), (8, 30732730), (10, 24586184), (14, 17561560), (16, 15366365), (20, 12293092), (28, 8780780), (35, 7024624), (40, 6146546), (56, 4390390), (70, 3512312), (80, 3073273), (112, 2195195), (127, 1935920), (140, 1756156), (254, 967960), (280, 878078), (508, 483980), (560, 439039), (635, 387184), (889, 276560), (1016, 241990), (1270, 193592), (1778, 138280), (2032, 120995), (2540, 96796), (3457, 71120), (3556, 69140), (4445, 55312), (5080, 48398), (6914, 35560), (7112, 34570), (8890, 27656), (10160, 24199), (13828, 17780), (14224, 17285)]