279738572840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1\times {\mathrm{3947}}^1$

素因数の和:4443

約数の個数: 128

約数和(自身を含む): 649758049920

約数和(自身を除く): 370019477080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 265, 331, 404, 424, 505, 530, 662, 808, 1010, 1060, 1324, 1655, 2020, 2120, 2648, 3310, 3947, 4040, 5353, 6620, 7894, 10706, 13240, 15788, 17543, 19735, 21412, 26765, 31576, 33431, 35086, 39470, 42824, 53530, 66862, 70172, 78940, 87715, 107060, 133724, 140344, 157880, 167155, 175430, 209191, 214120, 267448, 334310, 350860, 398647, 418382, 668620, 701720, 797294, 836764, 1045955, 1306457, 1337240, 1594588, 1673528, 1771843, 1993235, 2091910, 2612914, 3189176, 3543686, 3986470, 4183820, 5225828, 6532285, 7087372, 7972940, 8367640, 8859215, 10451656, 13064570, 14174744, 15945880, 17718430, 21128291, 26129140, 35436860, 42256582, 52258280, 69242221, 70873720, 84513164, 105641455, 131952157, 138484442, 169026328, 211282910, 263904314, 276968884, 346211105, 422565820, 527808628, 553937768, 659760785, 692422210, 845131640, 1055617256, 1319521570, 1384844420, 2639043140, 2769688840, 5278086280, 6993464321, 13986928642, 27973857284, 34967321605, 55947714568, 69934643210, 139869286420, 279738572840]

約数ペア:

[(1, 279738572840), (2, 139869286420), (4, 69934643210), (5, 55947714568), (8, 34967321605), (10, 27973857284), (20, 13986928642), (40, 6993464321), (53, 5278086280), (101, 2769688840), (106, 2639043140), (202, 1384844420), (212, 1319521570), (265, 1055617256), (331, 845131640), (404, 692422210), (424, 659760785), (505, 553937768), (530, 527808628), (662, 422565820), (808, 346211105), (1010, 276968884), (1060, 263904314), (1324, 211282910), (1655, 169026328), (2020, 138484442), (2120, 131952157), (2648, 105641455), (3310, 84513164), (3947, 70873720), (4040, 69242221), (5353, 52258280), (6620, 42256582), (7894, 35436860), (10706, 26129140), (13240, 21128291), (15788, 17718430), (17543, 15945880), (19735, 14174744), (21412, 13064570), (26765, 10451656), (31576, 8859215), (33431, 8367640), (35086, 7972940), (39470, 7087372), (42824, 6532285), (53530, 5225828), (66862, 4183820), (70172, 3986470), (78940, 3543686), (87715, 3189176), (107060, 2612914), (133724, 2091910), (140344, 1993235), (157880, 1771843), (167155, 1673528), (175430, 1594588), (209191, 1337240), (214120, 1306457), (267448, 1045955), (334310, 836764), (350860, 797294), (398647, 701720), (418382, 668620)]