42253340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 93985920

約数和(自身を除く): 51732580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 443, 502, 886, 1004, 1255, 1772, 2215, 2510, 4430, 4769, 5020, 8417, 8860, 9538, 16834, 19076, 23845, 33668, 42085, 47690, 84170, 95380, 111193, 168340, 222386, 444772, 555965, 1111930, 2112667, 2223860, 4225334, 8450668, 10563335, 21126670, 42253340]

約数ペア:

[(1, 42253340), (2, 21126670), (4, 10563335), (5, 8450668), (10, 4225334), (19, 2223860), (20, 2112667), (38, 1111930), (76, 555965), (95, 444772), (190, 222386), (251, 168340), (380, 111193), (443, 95380), (502, 84170), (886, 47690), (1004, 42085), (1255, 33668), (1772, 23845), (2215, 19076), (2510, 16834), (4430, 9538), (4769, 8860), (5020, 8417)]