65617450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 137044800

約数和(自身を除く): 71427350

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 239, 289, 323, 425, 475, 478, 578, 646, 850, 950, 1195, 1445, 1615, 2390, 2890, 3230, 4063, 4541, 5491, 5975, 7225, 8075, 8126, 9082, 10982, 11950, 14450, 16150, 20315, 22705, 27455, 40630, 45410, 54910, 69071, 77197, 101575, 113525, 137275, 138142, 154394, 203150, 227050, 274550, 345355, 385985, 690710, 771970, 1312349, 1726775, 1929925, 2624698, 3453550, 3859850, 6561745, 13123490, 32808725, 65617450]

約数ペア:

[(1, 65617450), (2, 32808725), (5, 13123490), (10, 6561745), (17, 3859850), (19, 3453550), (25, 2624698), (34, 1929925), (38, 1726775), (50, 1312349), (85, 771970), (95, 690710), (170, 385985), (190, 345355), (239, 274550), (289, 227050), (323, 203150), (425, 154394), (475, 138142), (478, 137275), (578, 113525), (646, 101575), (850, 77197), (950, 69071), (1195, 54910), (1445, 45410), (1615, 40630), (2390, 27455), (2890, 22705), (3230, 20315), (4063, 16150), (4541, 14450), (5491, 11950), (5975, 10982), (7225, 9082), (8075, 8126)]