306903940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{27749}}^1$

素因数の和:27844

約数の個数: 48

約数和(自身を含む): 745920000

約数和(自身を除く): 439016060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 27749, 55498, 110996, 138745, 194243, 277490, 388486, 554980, 776972, 971215, 1942430, 2192171, 3884860, 4384342, 8768684, 10960855, 15345197, 21921710, 30690394, 43843420, 61380788, 76725985, 153451970, 306903940]

約数ペア:

[(1, 306903940), (2, 153451970), (4, 76725985), (5, 61380788), (7, 43843420), (10, 30690394), (14, 21921710), (20, 15345197), (28, 10960855), (35, 8768684), (70, 4384342), (79, 3884860), (140, 2192171), (158, 1942430), (316, 971215), (395, 776972), (553, 554980), (790, 388486), (1106, 277490), (1580, 194243), (2212, 138745), (2765, 110996), (5530, 55498), (11060, 27749)]