203488900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 464414720

約数和(自身を除く): 260925820

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 148, 172, 185, 215, 370, 430, 740, 860, 925, 1075, 1279, 1591, 1850, 2150, 2558, 3182, 3700, 4300, 5116, 6364, 6395, 7955, 12790, 15910, 25580, 31820, 31975, 39775, 47323, 54997, 63950, 79550, 94646, 109994, 127900, 159100, 189292, 219988, 236615, 274985, 473230, 549970, 946460, 1099940, 1183075, 1374925, 2034889, 2366150, 2749850, 4069778, 4732300, 5499700, 8139556, 10174445, 20348890, 40697780, 50872225, 101744450, 203488900]

約数ペア:

[(1, 203488900), (2, 101744450), (4, 50872225), (5, 40697780), (10, 20348890), (20, 10174445), (25, 8139556), (37, 5499700), (43, 4732300), (50, 4069778), (74, 2749850), (86, 2366150), (100, 2034889), (148, 1374925), (172, 1183075), (185, 1099940), (215, 946460), (370, 549970), (430, 473230), (740, 274985), (860, 236615), (925, 219988), (1075, 189292), (1279, 159100), (1591, 127900), (1850, 109994), (2150, 94646), (2558, 79550), (3182, 63950), (3700, 54997), (4300, 47323), (5116, 39775), (6364, 31975), (6395, 31820), (7955, 25580), (12790, 15910)]