137279780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20129}}^1$

素因数の和:20180

約数の個数: 48

約数和(自身を含む): 324656640

約数和(自身を除く): 187376860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 20129, 40258, 80516, 100645, 201290, 221419, 402580, 442838, 623999, 885676, 1107095, 1247998, 2214190, 2495996, 3119995, 4428380, 6239990, 6863989, 12479980, 13727978, 27455956, 34319945, 68639890, 137279780]

約数ペア:

[(1, 137279780), (2, 68639890), (4, 34319945), (5, 27455956), (10, 13727978), (11, 12479980), (20, 6863989), (22, 6239990), (31, 4428380), (44, 3119995), (55, 2495996), (62, 2214190), (110, 1247998), (124, 1107095), (155, 885676), (220, 623999), (310, 442838), (341, 402580), (620, 221419), (682, 201290), (1364, 100645), (1705, 80516), (3410, 40258), (6820, 20129)]