216805890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{147487}}^1$

素因数の和:147511

約数の個数: 48

約数和(自身を含む): 605290752

約数和(自身を除く): 388484862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 147487, 294974, 442461, 737435, 884922, 1032409, 1474870, 2064818, 2212305, 3097227, 4424610, 5162045, 6194454, 7226863, 10324090, 14453726, 15486135, 21680589, 30972270, 36134315, 43361178, 72268630, 108402945, 216805890]

約数ペア:

[(1, 216805890), (2, 108402945), (3, 72268630), (5, 43361178), (6, 36134315), (7, 30972270), (10, 21680589), (14, 15486135), (15, 14453726), (21, 10324090), (30, 7226863), (35, 6194454), (42, 5162045), (49, 4424610), (70, 3097227), (98, 2212305), (105, 2064818), (147, 1474870), (210, 1032409), (245, 884922), (294, 737435), (490, 442461), (735, 294974), (1470, 147487)]