6771980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 15240960

約数和(自身を除く): 8468980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 251, 284, 355, 380, 502, 710, 1004, 1255, 1349, 1420, 2510, 2698, 4769, 5020, 5396, 6745, 9538, 13490, 17821, 19076, 23845, 26980, 35642, 47690, 71284, 89105, 95380, 178210, 338599, 356420, 677198, 1354396, 1692995, 3385990, 6771980]

約数ペア:

[(1, 6771980), (2, 3385990), (4, 1692995), (5, 1354396), (10, 677198), (19, 356420), (20, 338599), (38, 178210), (71, 95380), (76, 89105), (95, 71284), (142, 47690), (190, 35642), (251, 26980), (284, 23845), (355, 19076), (380, 17821), (502, 13490), (710, 9538), (1004, 6745), (1255, 5396), (1349, 5020), (1420, 4769), (2510, 2698)]