1387500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 4155984

約数和(自身を除く): 2768484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 125, 148, 150, 185, 222, 250, 300, 370, 375, 444, 500, 555, 625, 740, 750, 925, 1110, 1250, 1500, 1850, 1875, 2220, 2500, 2775, 3125, 3700, 3750, 4625, 5550, 6250, 7500, 9250, 9375, 11100, 12500, 13875, 18500, 18750, 23125, 27750, 37500, 46250, 55500, 69375, 92500, 115625, 138750, 231250, 277500, 346875, 462500, 693750, 1387500]

約数ペア:

[(1, 1387500), (2, 693750), (3, 462500), (4, 346875), (5, 277500), (6, 231250), (10, 138750), (12, 115625), (15, 92500), (20, 69375), (25, 55500), (30, 46250), (37, 37500), (50, 27750), (60, 23125), (74, 18750), (75, 18500), (100, 13875), (111, 12500), (125, 11100), (148, 9375), (150, 9250), (185, 7500), (222, 6250), (250, 5550), (300, 4625), (370, 3750), (375, 3700), (444, 3125), (500, 2775), (555, 2500), (625, 2220), (740, 1875), (750, 1850), (925, 1500), (1110, 1250)]