1988869620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{543407}}^1$

素因数の和:543480

約数の個数: 48

約数和(自身を含む): 5660137728

約数和(自身を除く): 3671268108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 543407, 1086814, 1630221, 2173628, 2717035, 3260442, 5434070, 6520884, 8151105, 10868140, 16302210, 32604420, 33147827, 66295654, 99443481, 132591308, 165739135, 198886962, 331478270, 397773924, 497217405, 662956540, 994434810, 1988869620]

約数ペア:

[(1, 1988869620), (2, 994434810), (3, 662956540), (4, 497217405), (5, 397773924), (6, 331478270), (10, 198886962), (12, 165739135), (15, 132591308), (20, 99443481), (30, 66295654), (60, 33147827), (61, 32604420), (122, 16302210), (183, 10868140), (244, 8151105), (305, 6520884), (366, 5434070), (610, 3260442), (732, 2717035), (915, 2173628), (1220, 1630221), (1830, 1086814), (3660, 543407)]