87705000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{1949}}^1$

素因数の和:1981

約数の個数: 120

約数和(自身を含む): 296975250

約数和(自身を除く): 209270250

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 1949, 2250, 2500, 3000, 3750, 3898, 4500, 5000, 5625, 5847, 7500, 7796, 9000, 9745, 11250, 11694, 15000, 15592, 17541, 19490, 22500, 23388, 29235, 35082, 38980, 45000, 46776, 48725, 58470, 70164, 77960, 87705, 97450, 116940, 140328, 146175, 175410, 194900, 233880, 243625, 292350, 350820, 389800, 438525, 487250, 584700, 701640, 730875, 877050, 974500, 1169400, 1218125, 1461750, 1754100, 1949000, 2192625, 2436250, 2923500, 3508200, 3654375, 4385250, 4872500, 5847000, 7308750, 8770500, 9745000, 10963125, 14617500, 17541000, 21926250, 29235000, 43852500, 87705000]

約数ペア:

[(1, 87705000), (2, 43852500), (3, 29235000), (4, 21926250), (5, 17541000), (6, 14617500), (8, 10963125), (9, 9745000), (10, 8770500), (12, 7308750), (15, 5847000), (18, 4872500), (20, 4385250), (24, 3654375), (25, 3508200), (30, 2923500), (36, 2436250), (40, 2192625), (45, 1949000), (50, 1754100), (60, 1461750), (72, 1218125), (75, 1169400), (90, 974500), (100, 877050), (120, 730875), (125, 701640), (150, 584700), (180, 487250), (200, 438525), (225, 389800), (250, 350820), (300, 292350), (360, 243625), (375, 233880), (450, 194900), (500, 175410), (600, 146175), (625, 140328), (750, 116940), (900, 97450), (1000, 87705), (1125, 77960), (1250, 70164), (1500, 58470), (1800, 48725), (1875, 46776), (1949, 45000), (2250, 38980), (2500, 35082), (3000, 29235), (3750, 23388), (3898, 22500), (4500, 19490), (5000, 17541), (5625, 15592), (5847, 15000), (7500, 11694), (7796, 11250), (9000, 9745)]