139821390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{172619}}^1$

素因数の和:172638

約数の個数: 40

約数和(自身を含む): 375966360

約数和(自身を除く): 236144970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 172619, 345238, 517857, 863095, 1035714, 1553571, 1726190, 2589285, 3107142, 4660713, 5178570, 7767855, 9321426, 13982139, 15535710, 23303565, 27964278, 46607130, 69910695, 139821390]

約数ペア:

[(1, 139821390), (2, 69910695), (3, 46607130), (5, 27964278), (6, 23303565), (9, 15535710), (10, 13982139), (15, 9321426), (18, 7767855), (27, 5178570), (30, 4660713), (45, 3107142), (54, 2589285), (81, 1726190), (90, 1553571), (135, 1035714), (162, 863095), (270, 517857), (405, 345238), (810, 172619)]