2008679620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{12041}}^1$

素因数の和:12508

約数の個数: 48

約数和(自身を含む): 4450723200

約数和(自身を除く): 2442043580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2195, 4390, 8341, 8780, 12041, 16682, 24082, 33364, 41705, 48164, 60205, 83410, 120410, 166820, 228779, 240820, 457558, 915116, 1143895, 2287790, 4575580, 5285999, 10571998, 21143996, 26429995, 52859990, 100433981, 105719980, 200867962, 401735924, 502169905, 1004339810, 2008679620]

約数ペア:

[(1, 2008679620), (2, 1004339810), (4, 502169905), (5, 401735924), (10, 200867962), (19, 105719980), (20, 100433981), (38, 52859990), (76, 26429995), (95, 21143996), (190, 10571998), (380, 5285999), (439, 4575580), (878, 2287790), (1756, 1143895), (2195, 915116), (4390, 457558), (8341, 240820), (8780, 228779), (12041, 166820), (16682, 120410), (24082, 83410), (33364, 60205), (41705, 48164)]