109850000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^3$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 288184680

約数和(自身を除く): 178334680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 169, 200, 208, 250, 260, 325, 338, 400, 500, 520, 625, 650, 676, 845, 1000, 1040, 1250, 1300, 1352, 1625, 1690, 2000, 2197, 2500, 2600, 2704, 3125, 3250, 3380, 4225, 4394, 5000, 5200, 6250, 6500, 6760, 8125, 8450, 8788, 10000, 10985, 12500, 13000, 13520, 16250, 16900, 17576, 21125, 21970, 25000, 26000, 32500, 33800, 35152, 40625, 42250, 43940, 50000, 54925, 65000, 67600, 81250, 84500, 87880, 105625, 109850, 130000, 162500, 169000, 175760, 211250, 219700, 274625, 325000, 338000, 422500, 439400, 528125, 549250, 650000, 845000, 878800, 1056250, 1098500, 1373125, 1690000, 2112500, 2197000, 2746250, 4225000, 4394000, 5492500, 6865625, 8450000, 10985000, 13731250, 21970000, 27462500, 54925000, 109850000]

約数ペア:

[(1, 109850000), (2, 54925000), (4, 27462500), (5, 21970000), (8, 13731250), (10, 10985000), (13, 8450000), (16, 6865625), (20, 5492500), (25, 4394000), (26, 4225000), (40, 2746250), (50, 2197000), (52, 2112500), (65, 1690000), (80, 1373125), (100, 1098500), (104, 1056250), (125, 878800), (130, 845000), (169, 650000), (200, 549250), (208, 528125), (250, 439400), (260, 422500), (325, 338000), (338, 325000), (400, 274625), (500, 219700), (520, 211250), (625, 175760), (650, 169000), (676, 162500), (845, 130000), (1000, 109850), (1040, 105625), (1250, 87880), (1300, 84500), (1352, 81250), (1625, 67600), (1690, 65000), (2000, 54925), (2197, 50000), (2500, 43940), (2600, 42250), (2704, 40625), (3125, 35152), (3250, 33800), (3380, 32500), (4225, 26000), (4394, 25000), (5000, 21970), (5200, 21125), (6250, 17576), (6500, 16900), (6760, 16250), (8125, 13520), (8450, 13000), (8788, 12500), (10000, 10985)]