215498608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1830

約数の個数: 80

約数和(自身を含む): 488857600

約数和(自身を除く): 273358992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1759, 1976, 2356, 3224, 3518, 3952, 4712, 6448, 7036, 7657, 9424, 14072, 15314, 22867, 28144, 30628, 33421, 45734, 54529, 61256, 66842, 91468, 109058, 122512, 133684, 182936, 218116, 267368, 365872, 434473, 436232, 534736, 708877, 868946, 872464, 1036051, 1417754, 1737892, 2072102, 2835508, 3475784, 4144204, 5671016, 6951568, 8288408, 11342032, 13468663, 16576816, 26937326, 53874652, 107749304, 215498608]

約数ペア:

[(1, 215498608), (2, 107749304), (4, 53874652), (8, 26937326), (13, 16576816), (16, 13468663), (19, 11342032), (26, 8288408), (31, 6951568), (38, 5671016), (52, 4144204), (62, 3475784), (76, 2835508), (104, 2072102), (124, 1737892), (152, 1417754), (208, 1036051), (247, 872464), (248, 868946), (304, 708877), (403, 534736), (494, 436232), (496, 434473), (589, 365872), (806, 267368), (988, 218116), (1178, 182936), (1612, 133684), (1759, 122512), (1976, 109058), (2356, 91468), (3224, 66842), (3518, 61256), (3952, 54529), (4712, 45734), (6448, 33421), (7036, 30628), (7657, 28144), (9424, 22867), (14072, 15314)]