23207740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 51760800

約数和(自身を除く): 28553060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 389, 628, 778, 785, 1556, 1570, 1945, 2983, 3140, 3890, 5966, 7391, 7780, 11932, 14782, 14915, 29564, 29830, 36955, 59660, 61073, 73910, 122146, 147820, 244292, 305365, 610730, 1160387, 1221460, 2320774, 4641548, 5801935, 11603870, 23207740]

約数ペア:

[(1, 23207740), (2, 11603870), (4, 5801935), (5, 4641548), (10, 2320774), (19, 1221460), (20, 1160387), (38, 610730), (76, 305365), (95, 244292), (157, 147820), (190, 122146), (314, 73910), (380, 61073), (389, 59660), (628, 36955), (778, 29830), (785, 29564), (1556, 14915), (1570, 14782), (1945, 11932), (2983, 7780), (3140, 7391), (3890, 5966)]