8945980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 10923716

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 307, 310, 470, 614, 620, 940, 1228, 1457, 1535, 2914, 3070, 5828, 6140, 7285, 9517, 14429, 14570, 19034, 28858, 29140, 38068, 47585, 57716, 72145, 95170, 144290, 190340, 288580, 447299, 894598, 1789196, 2236495, 4472990, 8945980]

約数ペア:

[(1, 8945980), (2, 4472990), (4, 2236495), (5, 1789196), (10, 894598), (20, 447299), (31, 288580), (47, 190340), (62, 144290), (94, 95170), (124, 72145), (155, 57716), (188, 47585), (235, 38068), (307, 29140), (310, 28858), (470, 19034), (614, 14570), (620, 14429), (940, 9517), (1228, 7285), (1457, 6140), (1535, 5828), (2914, 3070)]