171106780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1823}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 408627072

約数和(自身を除く): 237520292

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, 1823, 2470, 3610, 3646, 4693, 4940, 7220, 7292, 9115, 9386, 18230, 18772, 23465, 23699, 34637, 36460, 46930, 47398, 69274, 93860, 94796, 118495, 138548, 173185, 236990, 346370, 450281, 473980, 658103, 692740, 900562, 1316206, 1801124, 2251405, 2632412, 3290515, 4502810, 6581030, 8555339, 9005620, 13162060, 17110678, 34221356, 42776695, 85553390, 171106780]

約数ペア:

[(1, 171106780), (2, 85553390), (4, 42776695), (5, 34221356), (10, 17110678), (13, 13162060), (19, 9005620), (20, 8555339), (26, 6581030), (38, 4502810), (52, 3290515), (65, 2632412), (76, 2251405), (95, 1801124), (130, 1316206), (190, 900562), (247, 692740), (260, 658103), (361, 473980), (380, 450281), (494, 346370), (722, 236990), (988, 173185), (1235, 138548), (1444, 118495), (1805, 94796), (1823, 93860), (2470, 69274), (3610, 47398), (3646, 46930), (4693, 36460), (4940, 34637), (7220, 23699), (7292, 23465), (9115, 18772), (9386, 18230)]