16902970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 20421830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 179, 190, 266, 355, 358, 497, 665, 710, 895, 994, 1253, 1330, 1349, 1790, 2485, 2506, 2698, 3401, 4970, 6265, 6745, 6802, 9443, 12530, 12709, 13490, 17005, 18886, 23807, 25418, 34010, 47215, 47614, 63545, 88963, 94430, 119035, 127090, 177926, 238070, 241471, 444815, 482942, 889630, 1207355, 1690297, 2414710, 3380594, 8451485, 16902970]

約数ペア:

[(1, 16902970), (2, 8451485), (5, 3380594), (7, 2414710), (10, 1690297), (14, 1207355), (19, 889630), (35, 482942), (38, 444815), (70, 241471), (71, 238070), (95, 177926), (133, 127090), (142, 119035), (179, 94430), (190, 88963), (266, 63545), (355, 47614), (358, 47215), (497, 34010), (665, 25418), (710, 23807), (895, 18886), (994, 17005), (1253, 13490), (1330, 12709), (1349, 12530), (1790, 9443), (2485, 6802), (2506, 6745), (2698, 6265), (3401, 4970)]