319834760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163181}}^1$

素因数の和:163206

約数の個数: 48

約数和(自身を含む): 837123660

約数和(自身を除く): 517288900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 163181, 326362, 652724, 815905, 1142267, 1305448, 1631810, 2284534, 3263620, 4569068, 5711335, 6527240, 7995869, 9138136, 11422670, 15991738, 22845340, 31983476, 39979345, 45690680, 63966952, 79958690, 159917380, 319834760]

約数ペア:

[(1, 319834760), (2, 159917380), (4, 79958690), (5, 63966952), (7, 45690680), (8, 39979345), (10, 31983476), (14, 22845340), (20, 15991738), (28, 11422670), (35, 9138136), (40, 7995869), (49, 6527240), (56, 5711335), (70, 4569068), (98, 3263620), (140, 2284534), (196, 1631810), (245, 1305448), (280, 1142267), (392, 815905), (490, 652724), (980, 326362), (1960, 163181)]