148146760

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9521}}^1$

素因数の和:9921

約数の個数: 32

約数和(自身を含む): 334222200

約数和(自身を除く): 186075440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 9521, 15560, 19042, 38084, 47605, 76168, 95210, 190420, 380840, 3703669, 7407338, 14814676, 18518345, 29629352, 37036690, 74073380, 148146760]

約数ペア:

[(1, 148146760), (2, 74073380), (4, 37036690), (5, 29629352), (8, 18518345), (10, 14814676), (20, 7407338), (40, 3703669), (389, 380840), (778, 190420), (1556, 95210), (1945, 76168), (3112, 47605), (3890, 38084), (7780, 19042), (9521, 15560)]