1878890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 3704400

約数和(自身を除く): 1825510

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 149, 194, 298, 485, 745, 970, 1261, 1490, 1937, 2522, 3874, 6305, 9685, 12610, 14453, 19370, 28906, 72265, 144530, 187889, 375778, 939445, 1878890]

約数ペア:

[(1, 1878890), (2, 939445), (5, 375778), (10, 187889), (13, 144530), (26, 72265), (65, 28906), (97, 19370), (130, 14453), (149, 12610), (194, 9685), (298, 6305), (485, 3874), (745, 2522), (970, 1937), (1261, 1490)]