88918980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20873}}^1$

素因数の和:20956

約数の個数: 48

約数和(自身を含む): 252491904

約数和(自身を除く): 163572924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 20873, 41746, 62619, 83492, 104365, 125238, 208730, 250476, 313095, 417460, 626190, 1252380, 1481983, 2963966, 4445949, 5927932, 7409915, 8891898, 14819830, 17783796, 22229745, 29639660, 44459490, 88918980]

約数ペア:

[(1, 88918980), (2, 44459490), (3, 29639660), (4, 22229745), (5, 17783796), (6, 14819830), (10, 8891898), (12, 7409915), (15, 5927932), (20, 4445949), (30, 2963966), (60, 1481983), (71, 1252380), (142, 626190), (213, 417460), (284, 313095), (355, 250476), (426, 208730), (710, 125238), (852, 104365), (1065, 83492), (1420, 62619), (2130, 41746), (4260, 20873)]