28991250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{859}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 80599200

約数和(自身を除く): 51607950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 675, 750, 859, 1125, 1250, 1350, 1718, 1875, 2250, 2577, 3375, 3750, 4295, 5154, 5625, 6750, 7731, 8590, 11250, 12885, 15462, 16875, 21475, 23193, 25770, 33750, 38655, 42950, 46386, 64425, 77310, 107375, 115965, 128850, 193275, 214750, 231930, 322125, 386550, 536875, 579825, 644250, 966375, 1073750, 1159650, 1610625, 1932750, 2899125, 3221250, 4831875, 5798250, 9663750, 14495625, 28991250]

約数ペア:

[(1, 28991250), (2, 14495625), (3, 9663750), (5, 5798250), (6, 4831875), (9, 3221250), (10, 2899125), (15, 1932750), (18, 1610625), (25, 1159650), (27, 1073750), (30, 966375), (45, 644250), (50, 579825), (54, 536875), (75, 386550), (90, 322125), (125, 231930), (135, 214750), (150, 193275), (225, 128850), (250, 115965), (270, 107375), (375, 77310), (450, 64425), (625, 46386), (675, 42950), (750, 38655), (859, 33750), (1125, 25770), (1250, 23193), (1350, 21475), (1718, 16875), (1875, 15462), (2250, 12885), (2577, 11250), (3375, 8590), (3750, 7731), (4295, 6750), (5154, 5625)]