31254200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 76081440

約数和(自身を除く): 44827240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 142, 155, 200, 248, 284, 310, 355, 568, 620, 710, 775, 1240, 1420, 1550, 1775, 2201, 2840, 3100, 3550, 4402, 5041, 6200, 7100, 8804, 10082, 11005, 14200, 17608, 20164, 22010, 25205, 40328, 44020, 50410, 55025, 88040, 100820, 110050, 126025, 156271, 201640, 220100, 252050, 312542, 440200, 504100, 625084, 781355, 1008200, 1250168, 1562710, 3125420, 3906775, 6250840, 7813550, 15627100, 31254200]

約数ペア:

[(1, 31254200), (2, 15627100), (4, 7813550), (5, 6250840), (8, 3906775), (10, 3125420), (20, 1562710), (25, 1250168), (31, 1008200), (40, 781355), (50, 625084), (62, 504100), (71, 440200), (100, 312542), (124, 252050), (142, 220100), (155, 201640), (200, 156271), (248, 126025), (284, 110050), (310, 100820), (355, 88040), (568, 55025), (620, 50410), (710, 44020), (775, 40328), (1240, 25205), (1420, 22010), (1550, 20164), (1775, 17608), (2201, 14200), (2840, 11005), (3100, 10082), (3550, 8804), (4402, 7100), (5041, 6200)]