2429720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 6048000

約数和(自身を除く): 3618280

約数列:

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

約数ペア:

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