233886280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 538021440

約数和(自身を除く): 304135160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 197, 268, 335, 394, 443, 536, 670, 788, 886, 985, 1340, 1576, 1772, 1970, 2215, 2680, 3544, 3940, 4430, 7880, 8860, 13199, 17720, 26398, 29681, 52796, 59362, 65995, 87271, 105592, 118724, 131990, 148405, 174542, 237448, 263980, 296810, 349084, 436355, 527960, 593620, 698168, 872710, 1187240, 1745420, 3490840, 5847157, 11694314, 23388628, 29235785, 46777256, 58471570, 116943140, 233886280]

約数ペア:

[(1, 233886280), (2, 116943140), (4, 58471570), (5, 46777256), (8, 29235785), (10, 23388628), (20, 11694314), (40, 5847157), (67, 3490840), (134, 1745420), (197, 1187240), (268, 872710), (335, 698168), (394, 593620), (443, 527960), (536, 436355), (670, 349084), (788, 296810), (886, 263980), (985, 237448), (1340, 174542), (1576, 148405), (1772, 131990), (1970, 118724), (2215, 105592), (2680, 87271), (3544, 65995), (3940, 59362), (4430, 52796), (7880, 29681), (8860, 26398), (13199, 17720)]