4859440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 12499200

約数和(自身を除く): 7639760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 139, 152, 184, 190, 230, 278, 304, 368, 380, 437, 460, 556, 695, 760, 874, 920, 1112, 1390, 1520, 1748, 1840, 2185, 2224, 2641, 2780, 3197, 3496, 4370, 5282, 5560, 6394, 6992, 8740, 10564, 11120, 12788, 13205, 15985, 17480, 21128, 25576, 26410, 31970, 34960, 42256, 51152, 52820, 60743, 63940, 105640, 121486, 127880, 211280, 242972, 255760, 303715, 485944, 607430, 971888, 1214860, 2429720, 4859440]

約数ペア:

[(1, 4859440), (2, 2429720), (4, 1214860), (5, 971888), (8, 607430), (10, 485944), (16, 303715), (19, 255760), (20, 242972), (23, 211280), (38, 127880), (40, 121486), (46, 105640), (76, 63940), (80, 60743), (92, 52820), (95, 51152), (115, 42256), (139, 34960), (152, 31970), (184, 26410), (190, 25576), (230, 21128), (278, 17480), (304, 15985), (368, 13205), (380, 12788), (437, 11120), (460, 10564), (556, 8740), (695, 6992), (760, 6394), (874, 5560), (920, 5282), (1112, 4370), (1390, 3496), (1520, 3197), (1748, 2780), (1840, 2641), (2185, 2224)]