290182516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2113}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 580081600

約数和(自身を除く): 289899084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 556, 988, 1807, 2113, 2641, 3614, 4226, 5282, 7228, 8452, 10564, 27469, 34333, 40147, 54938, 68666, 80294, 109876, 137332, 160588, 293707, 521911, 587414, 1043822, 1174828, 2087644, 3818191, 5580433, 7636382, 11160866, 15272764, 22321732, 72545629, 145091258, 290182516]

約数ペア:

[(1, 290182516), (2, 145091258), (4, 72545629), (13, 22321732), (19, 15272764), (26, 11160866), (38, 7636382), (52, 5580433), (76, 3818191), (139, 2087644), (247, 1174828), (278, 1043822), (494, 587414), (556, 521911), (988, 293707), (1807, 160588), (2113, 137332), (2641, 109876), (3614, 80294), (4226, 68666), (5282, 54938), (7228, 40147), (8452, 34333), (10564, 27469)]