1783340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 4257120

約数和(自身を除く): 2473780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 3610, 4693, 4940, 6859, 7220, 9386, 13718, 18772, 23465, 27436, 34295, 46930, 68590, 89167, 93860, 137180, 178334, 356668, 445835, 891670, 1783340]

約数ペア:

[(1, 1783340), (2, 891670), (4, 445835), (5, 356668), (10, 178334), (13, 137180), (19, 93860), (20, 89167), (26, 68590), (38, 46930), (52, 34295), (65, 27436), (76, 23465), (95, 18772), (130, 13718), (190, 9386), (247, 7220), (260, 6859), (361, 4940), (380, 4693), (494, 3610), (722, 2470), (988, 1805), (1235, 1444)]