28443750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 74807712

約数和(自身を除く): 46363962

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 41, 50, 74, 75, 82, 111, 123, 125, 150, 185, 205, 222, 246, 250, 370, 375, 410, 555, 615, 625, 750, 925, 1025, 1110, 1230, 1250, 1517, 1850, 1875, 2050, 2775, 3034, 3075, 3125, 3750, 4551, 4625, 5125, 5550, 6150, 6250, 7585, 9102, 9250, 9375, 10250, 13875, 15170, 15375, 18750, 22755, 23125, 25625, 27750, 30750, 37925, 45510, 46250, 51250, 69375, 75850, 76875, 113775, 115625, 128125, 138750, 153750, 189625, 227550, 231250, 256250, 346875, 379250, 384375, 568875, 693750, 768750, 948125, 1137750, 1896250, 2844375, 4740625, 5688750, 9481250, 14221875, 28443750]

約数ペア:

[(1, 28443750), (2, 14221875), (3, 9481250), (5, 5688750), (6, 4740625), (10, 2844375), (15, 1896250), (25, 1137750), (30, 948125), (37, 768750), (41, 693750), (50, 568875), (74, 384375), (75, 379250), (82, 346875), (111, 256250), (123, 231250), (125, 227550), (150, 189625), (185, 153750), (205, 138750), (222, 128125), (246, 115625), (250, 113775), (370, 76875), (375, 75850), (410, 69375), (555, 51250), (615, 46250), (625, 45510), (750, 37925), (925, 30750), (1025, 27750), (1110, 25625), (1230, 23125), (1250, 22755), (1517, 18750), (1850, 15375), (1875, 15170), (2050, 13875), (2775, 10250), (3034, 9375), (3075, 9250), (3125, 9102), (3750, 7585), (4551, 6250), (4625, 6150), (5125, 5550)]