389625260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{2683}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 840049056

約数和(自身を除く): 450423796

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1370, 2683, 2740, 5366, 7261, 10732, 13415, 14522, 26830, 29044, 36305, 53660, 72610, 142199, 145220, 284398, 367571, 568796, 710995, 735142, 1421990, 1470284, 1837855, 2843980, 3675710, 7351420, 19481263, 38962526, 77925052, 97406315, 194812630, 389625260]

約数ペア:

[(1, 389625260), (2, 194812630), (4, 97406315), (5, 77925052), (10, 38962526), (20, 19481263), (53, 7351420), (106, 3675710), (137, 2843980), (212, 1837855), (265, 1470284), (274, 1421990), (530, 735142), (548, 710995), (685, 568796), (1060, 367571), (1370, 284398), (2683, 145220), (2740, 142199), (5366, 72610), (7261, 53660), (10732, 36305), (13415, 29044), (14522, 26830)]