898889240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{11483}}^1$

素因数の和:11616

約数の個数: 64

約数和(自身を含む): 2149804800

約数和(自身を除く): 1250915560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1957, 2060, 3914, 4120, 7828, 9785, 11483, 15656, 19570, 22966, 39140, 45932, 57415, 78280, 91864, 114830, 218177, 229660, 436354, 459320, 872708, 1090885, 1182749, 1745416, 2181770, 2365498, 4363540, 4730996, 5913745, 8727080, 9461992, 11827490, 22472231, 23654980, 44944462, 47309960, 89888924, 112361155, 179777848, 224722310, 449444620, 898889240]

約数ペア:

[(1, 898889240), (2, 449444620), (4, 224722310), (5, 179777848), (8, 112361155), (10, 89888924), (19, 47309960), (20, 44944462), (38, 23654980), (40, 22472231), (76, 11827490), (95, 9461992), (103, 8727080), (152, 5913745), (190, 4730996), (206, 4363540), (380, 2365498), (412, 2181770), (515, 1745416), (760, 1182749), (824, 1090885), (1030, 872708), (1957, 459320), (2060, 436354), (3914, 229660), (4120, 218177), (7828, 114830), (9785, 91864), (11483, 78280), (15656, 57415), (19570, 45932), (22966, 39140)]