30864820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1951}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 74769408

約数和(自身を除く): 43904588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1951, 2260, 3164, 3902, 3955, 7804, 7910, 9755, 13657, 15820, 19510, 27314, 39020, 54628, 68285, 136570, 220463, 273140, 440926, 881852, 1102315, 1543241, 2204630, 3086482, 4409260, 6172964, 7716205, 15432410, 30864820]

約数ペア:

[(1, 30864820), (2, 15432410), (4, 7716205), (5, 6172964), (7, 4409260), (10, 3086482), (14, 2204630), (20, 1543241), (28, 1102315), (35, 881852), (70, 440926), (113, 273140), (140, 220463), (226, 136570), (452, 68285), (565, 54628), (791, 39020), (1130, 27314), (1582, 19510), (1951, 15820), (2260, 13657), (3164, 9755), (3902, 7910), (3955, 7804)]