154225000

素因数分解:

$2^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 374976000

約数和(自身を除く): 220751000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 199, 200, 248, 250, 310, 398, 500, 620, 625, 775, 796, 995, 1000, 1240, 1250, 1550, 1592, 1990, 2500, 3100, 3125, 3875, 3980, 4975, 5000, 6169, 6200, 6250, 7750, 7960, 9950, 12338, 12500, 15500, 19375, 19900, 24676, 24875, 25000, 30845, 31000, 38750, 39800, 49352, 49750, 61690, 77500, 96875, 99500, 123380, 124375, 154225, 155000, 193750, 199000, 246760, 248750, 308450, 387500, 497500, 616900, 621875, 771125, 775000, 995000, 1233800, 1243750, 1542250, 2487500, 3084500, 3855625, 4975000, 6169000, 7711250, 15422500, 19278125, 30845000, 38556250, 77112500, 154225000]

約数ペア:

[(1, 154225000), (2, 77112500), (4, 38556250), (5, 30845000), (8, 19278125), (10, 15422500), (20, 7711250), (25, 6169000), (31, 4975000), (40, 3855625), (50, 3084500), (62, 2487500), (100, 1542250), (124, 1243750), (125, 1233800), (155, 995000), (199, 775000), (200, 771125), (248, 621875), (250, 616900), (310, 497500), (398, 387500), (500, 308450), (620, 248750), (625, 246760), (775, 199000), (796, 193750), (995, 155000), (1000, 154225), (1240, 124375), (1250, 123380), (1550, 99500), (1592, 96875), (1990, 77500), (2500, 61690), (3100, 49750), (3125, 49352), (3875, 39800), (3980, 38750), (4975, 31000), (5000, 30845), (6169, 25000), (6200, 24875), (6250, 24676), (7750, 19900), (7960, 19375), (9950, 15500), (12338, 12500)]