1994188035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{142799}}^1$

素因数の和:142840

約数の個数: 48

約数和(自身を含む): 3907008000

約数和(自身を除く): 1912819965

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 142799, 428397, 713995, 999593, 2141985, 2713181, 2998779, 4997965, 6997151, 8139543, 13565905, 14993895, 18992267, 20991453, 34985755, 40697715, 56976801, 94961335, 104957265, 132945869, 284884005, 398837607, 664729345, 1994188035]

約数ペア:

[(1, 1994188035), (3, 664729345), (5, 398837607), (7, 284884005), (15, 132945869), (19, 104957265), (21, 94961335), (35, 56976801), (49, 40697715), (57, 34985755), (95, 20991453), (105, 18992267), (133, 14993895), (147, 13565905), (245, 8139543), (285, 6997151), (399, 4997965), (665, 2998779), (735, 2713181), (931, 2141985), (1995, 999593), (2793, 713995), (4655, 428397), (13965, 142799)]