2800950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 7070976

約数和(自身を除く): 4270026

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 263, 355, 426, 526, 710, 789, 1065, 1315, 1578, 1775, 2130, 2630, 3550, 3945, 5325, 6575, 7890, 10650, 13150, 18673, 19725, 37346, 39450, 56019, 93365, 112038, 186730, 280095, 466825, 560190, 933650, 1400475, 2800950]

約数ペア:

[(1, 2800950), (2, 1400475), (3, 933650), (5, 560190), (6, 466825), (10, 280095), (15, 186730), (25, 112038), (30, 93365), (50, 56019), (71, 39450), (75, 37346), (142, 19725), (150, 18673), (213, 13150), (263, 10650), (355, 7890), (426, 6575), (526, 5325), (710, 3945), (789, 3550), (1065, 2630), (1315, 2130), (1578, 1775)]