842858360

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2220

約数の個数: 64

約数和(自身を含む): 1935360000

約数和(自身を除く): 1092501640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 127, 166, 254, 332, 415, 508, 635, 664, 830, 1016, 1270, 1660, 1999, 2540, 3320, 3998, 5080, 7996, 9995, 10541, 15992, 19990, 21082, 39980, 42164, 52705, 79960, 84328, 105410, 165917, 210820, 253873, 331834, 421640, 507746, 663668, 829585, 1015492, 1269365, 1327336, 1659170, 2030984, 2538730, 3318340, 5077460, 6636680, 10154920, 21071459, 42142918, 84285836, 105357295, 168571672, 210714590, 421429180, 842858360]

約数ペア:

[(1, 842858360), (2, 421429180), (4, 210714590), (5, 168571672), (8, 105357295), (10, 84285836), (20, 42142918), (40, 21071459), (83, 10154920), (127, 6636680), (166, 5077460), (254, 3318340), (332, 2538730), (415, 2030984), (508, 1659170), (635, 1327336), (664, 1269365), (830, 1015492), (1016, 829585), (1270, 663668), (1660, 507746), (1999, 421640), (2540, 331834), (3320, 253873), (3998, 210820), (5080, 165917), (7996, 105410), (9995, 84328), (10541, 79960), (15992, 52705), (19990, 42164), (21082, 39980)]