13739804980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{879629}}^1$

素因数の和:879720

約数の個数: 48

約数和(自身を含む): 31920013440

約数和(自身を除く): 18180208460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 879629, 1759258, 3518516, 4398145, 8796290, 9675919, 17592580, 19351838, 38703676, 48379595, 62453659, 96759190, 124907318, 193518380, 249814636, 312268295, 624536590, 686990249, 1249073180, 1373980498, 2747960996, 3434951245, 6869902490, 13739804980]

約数ペア:

[(1, 13739804980), (2, 6869902490), (4, 3434951245), (5, 2747960996), (10, 1373980498), (11, 1249073180), (20, 686990249), (22, 624536590), (44, 312268295), (55, 249814636), (71, 193518380), (110, 124907318), (142, 96759190), (220, 62453659), (284, 48379595), (355, 38703676), (710, 19351838), (781, 17592580), (1420, 9675919), (1562, 8796290), (3124, 4398145), (3905, 3518516), (7810, 1759258), (15620, 879629)]