1784421860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{361219}}^1$

素因数の和:361260

約数の個数: 48

約数和(自身を含む): 4247947200

約数和(自身を除く): 2463525340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 361219, 722438, 1444876, 1806095, 3612190, 4695847, 6863161, 7224380, 9391694, 13726322, 18783388, 23479235, 27452644, 34315805, 46958470, 68631610, 89221093, 93916940, 137263220, 178442186, 356884372, 446105465, 892210930, 1784421860]

約数ペア:

[(1, 1784421860), (2, 892210930), (4, 446105465), (5, 356884372), (10, 178442186), (13, 137263220), (19, 93916940), (20, 89221093), (26, 68631610), (38, 46958470), (52, 34315805), (65, 27452644), (76, 23479235), (95, 18783388), (130, 13726322), (190, 9391694), (247, 7224380), (260, 6863161), (380, 4695847), (494, 3612190), (988, 1806095), (1235, 1444876), (2470, 722438), (4940, 361219)]