981673760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{322919}}^1$

素因数の和:322953

約数の個数: 48

約数和(自身を含む): 2441275200

約数和(自身を除く): 1459601440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 322919, 645838, 1291676, 1614595, 2583352, 3229190, 5166704, 6135461, 6458380, 10333408, 12270922, 12916760, 24541844, 25833520, 30677305, 49083688, 51667040, 61354610, 98167376, 122709220, 196334752, 245418440, 490836880, 981673760]

約数ペア:

[(1, 981673760), (2, 490836880), (4, 245418440), (5, 196334752), (8, 122709220), (10, 98167376), (16, 61354610), (19, 51667040), (20, 49083688), (32, 30677305), (38, 25833520), (40, 24541844), (76, 12916760), (80, 12270922), (95, 10333408), (152, 6458380), (160, 6135461), (190, 5166704), (304, 3229190), (380, 2583352), (608, 1614595), (760, 1291676), (1520, 645838), (3040, 322919)]