1801150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 3843504

約数和(自身を除く): 2042354

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 163, 170, 221, 325, 326, 425, 442, 650, 815, 850, 1105, 1630, 2119, 2210, 2771, 4075, 4238, 5525, 5542, 8150, 10595, 11050, 13855, 21190, 27710, 36023, 52975, 69275, 72046, 105950, 138550, 180115, 360230, 900575, 1801150]

約数ペア:

[(1, 1801150), (2, 900575), (5, 360230), (10, 180115), (13, 138550), (17, 105950), (25, 72046), (26, 69275), (34, 52975), (50, 36023), (65, 27710), (85, 21190), (130, 13855), (163, 11050), (170, 10595), (221, 8150), (325, 5542), (326, 5525), (425, 4238), (442, 4075), (650, 2771), (815, 2210), (850, 2119), (1105, 1630)]