128438700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32933}}^1$

素因数の和:32963

約数の個数: 72

約数和(自身を含む): 400213968

約数和(自身を除く): 271775268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 32933, 65866, 98799, 131732, 164665, 197598, 329330, 395196, 428129, 493995, 658660, 823325, 856258, 987990, 1284387, 1646650, 1712516, 1975980, 2140645, 2469975, 2568774, 3293300, 4281290, 4939950, 5137548, 6421935, 8562580, 9879900, 10703225, 12843870, 21406450, 25687740, 32109675, 42812900, 64219350, 128438700]

約数ペア:

[(1, 128438700), (2, 64219350), (3, 42812900), (4, 32109675), (5, 25687740), (6, 21406450), (10, 12843870), (12, 10703225), (13, 9879900), (15, 8562580), (20, 6421935), (25, 5137548), (26, 4939950), (30, 4281290), (39, 3293300), (50, 2568774), (52, 2469975), (60, 2140645), (65, 1975980), (75, 1712516), (78, 1646650), (100, 1284387), (130, 987990), (150, 856258), (156, 823325), (195, 658660), (260, 493995), (300, 428129), (325, 395196), (390, 329330), (650, 197598), (780, 164665), (975, 131732), (1300, 98799), (1950, 65866), (3900, 32933)]