71502620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1543}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 172236288

約数和(自身を除く): 100733668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1543, 1655, 2317, 3086, 3310, 4634, 6172, 6620, 7715, 9268, 10801, 11585, 15430, 21602, 23170, 30860, 43204, 46340, 54005, 108010, 216020, 510733, 1021466, 2042932, 2553665, 3575131, 5107330, 7150262, 10214660, 14300524, 17875655, 35751310, 71502620]

約数ペア:

[(1, 71502620), (2, 35751310), (4, 17875655), (5, 14300524), (7, 10214660), (10, 7150262), (14, 5107330), (20, 3575131), (28, 2553665), (35, 2042932), (70, 1021466), (140, 510733), (331, 216020), (662, 108010), (1324, 54005), (1543, 46340), (1655, 43204), (2317, 30860), (3086, 23170), (3310, 21602), (4634, 15430), (6172, 11585), (6620, 10801), (7715, 9268)]