823160560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2749}}^1$

素因数の和:2978

約数の個数: 80

約数和(自身を含む): 2025540000

約数和(自身を除く): 1202379440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 304, 380, 394, 760, 788, 985, 1520, 1576, 1970, 2749, 3152, 3743, 3940, 5498, 7486, 7880, 10996, 13745, 14972, 15760, 18715, 21992, 27490, 29944, 37430, 43984, 52231, 54980, 59888, 74860, 104462, 109960, 149720, 208924, 219920, 261155, 299440, 417848, 522310, 541553, 835696, 1044620, 1083106, 2089240, 2166212, 2707765, 4178480, 4332424, 5415530, 8664848, 10289507, 10831060, 20579014, 21662120, 41158028, 43324240, 51447535, 82316056, 102895070, 164632112, 205790140, 411580280, 823160560]

約数ペア:

[(1, 823160560), (2, 411580280), (4, 205790140), (5, 164632112), (8, 102895070), (10, 82316056), (16, 51447535), (19, 43324240), (20, 41158028), (38, 21662120), (40, 20579014), (76, 10831060), (80, 10289507), (95, 8664848), (152, 5415530), (190, 4332424), (197, 4178480), (304, 2707765), (380, 2166212), (394, 2089240), (760, 1083106), (788, 1044620), (985, 835696), (1520, 541553), (1576, 522310), (1970, 417848), (2749, 299440), (3152, 261155), (3743, 219920), (3940, 208924), (5498, 149720), (7486, 109960), (7880, 104462), (10996, 74860), (13745, 59888), (14972, 54980), (15760, 52231), (18715, 43984), (21992, 37430), (27490, 29944)]