201458330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 408965760

約数和(自身を除く): 207507430

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 97, 170, 190, 194, 323, 485, 643, 646, 970, 1286, 1615, 1649, 1843, 3215, 3230, 3298, 3686, 6430, 8245, 9215, 10931, 12217, 16490, 18430, 21862, 24434, 31331, 54655, 61085, 62371, 62662, 109310, 122170, 124742, 156655, 207689, 311855, 313310, 415378, 623710, 1038445, 1060307, 1185049, 2076890, 2120614, 2370098, 5301535, 5925245, 10603070, 11850490, 20145833, 40291666, 100729165, 201458330]

約数ペア:

[(1, 201458330), (2, 100729165), (5, 40291666), (10, 20145833), (17, 11850490), (19, 10603070), (34, 5925245), (38, 5301535), (85, 2370098), (95, 2120614), (97, 2076890), (170, 1185049), (190, 1060307), (194, 1038445), (323, 623710), (485, 415378), (643, 313310), (646, 311855), (970, 207689), (1286, 156655), (1615, 124742), (1649, 122170), (1843, 109310), (3215, 62662), (3230, 62371), (3298, 61085), (3686, 54655), (6430, 31331), (8245, 24434), (9215, 21862), (10931, 18430), (12217, 16490)]