1963940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2632540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 113, 158, 220, 226, 316, 395, 452, 565, 790, 869, 1130, 1243, 1580, 1738, 2260, 2486, 3476, 4345, 4972, 6215, 8690, 8927, 12430, 17380, 17854, 24860, 35708, 44635, 89270, 98197, 178540, 196394, 392788, 490985, 981970, 1963940]

約数ペア:

[(1, 1963940), (2, 981970), (4, 490985), (5, 392788), (10, 196394), (11, 178540), (20, 98197), (22, 89270), (44, 44635), (55, 35708), (79, 24860), (110, 17854), (113, 17380), (158, 12430), (220, 8927), (226, 8690), (316, 6215), (395, 4972), (452, 4345), (565, 3476), (790, 2486), (869, 2260), (1130, 1738), (1243, 1580)]