79351600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 205500240

約数和(自身を除く): 126148640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 53, 76, 80, 95, 100, 106, 152, 190, 197, 200, 212, 265, 304, 380, 394, 400, 424, 475, 530, 760, 788, 848, 950, 985, 1007, 1060, 1325, 1520, 1576, 1900, 1970, 2014, 2120, 2650, 3152, 3743, 3800, 3940, 4028, 4240, 4925, 5035, 5300, 7486, 7600, 7880, 8056, 9850, 10070, 10441, 10600, 14972, 15760, 16112, 18715, 19700, 20140, 20882, 21200, 25175, 29944, 37430, 39400, 40280, 41764, 50350, 52205, 59888, 74860, 78800, 80560, 83528, 93575, 100700, 104410, 149720, 167056, 187150, 198379, 201400, 208820, 261025, 299440, 374300, 396758, 402800, 417640, 522050, 748600, 793516, 835280, 991895, 1044100, 1497200, 1587032, 1983790, 2088200, 3174064, 3967580, 4176400, 4959475, 7935160, 9918950, 15870320, 19837900, 39675800, 79351600]

約数ペア:

[(1, 79351600), (2, 39675800), (4, 19837900), (5, 15870320), (8, 9918950), (10, 7935160), (16, 4959475), (19, 4176400), (20, 3967580), (25, 3174064), (38, 2088200), (40, 1983790), (50, 1587032), (53, 1497200), (76, 1044100), (80, 991895), (95, 835280), (100, 793516), (106, 748600), (152, 522050), (190, 417640), (197, 402800), (200, 396758), (212, 374300), (265, 299440), (304, 261025), (380, 208820), (394, 201400), (400, 198379), (424, 187150), (475, 167056), (530, 149720), (760, 104410), (788, 100700), (848, 93575), (950, 83528), (985, 80560), (1007, 78800), (1060, 74860), (1325, 59888), (1520, 52205), (1576, 50350), (1900, 41764), (1970, 40280), (2014, 39400), (2120, 37430), (2650, 29944), (3152, 25175), (3743, 21200), (3800, 20882), (3940, 20140), (4028, 19700), (4240, 18715), (4925, 16112), (5035, 15760), (5300, 14972), (7486, 10600), (7600, 10441), (7880, 10070), (8056, 9850)]