639045930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{21803}}^1$

素因数の和:22790

約数の個数: 32

約数和(自身を含む): 1535350464

約数和(自身を除く): 896304534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 977, 1954, 2931, 4885, 5862, 9770, 14655, 21803, 29310, 43606, 65409, 109015, 130818, 218030, 327045, 654090, 21301531, 42603062, 63904593, 106507655, 127809186, 213015310, 319522965, 639045930]

約数ペア:

[(1, 639045930), (2, 319522965), (3, 213015310), (5, 127809186), (6, 106507655), (10, 63904593), (15, 42603062), (30, 21301531), (977, 654090), (1954, 327045), (2931, 218030), (4885, 130818), (5862, 109015), (9770, 65409), (14655, 43606), (21803, 29310)]