13782980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 32260032

約数和(自身を除く): 18477052

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 83, 92, 95, 115, 166, 190, 230, 332, 361, 380, 415, 437, 460, 722, 830, 874, 1444, 1577, 1660, 1748, 1805, 1909, 2185, 3154, 3610, 3818, 4370, 6308, 7220, 7636, 7885, 8303, 8740, 9545, 15770, 16606, 19090, 29963, 31540, 33212, 36271, 38180, 41515, 59926, 72542, 83030, 119852, 145084, 149815, 166060, 181355, 299630, 362710, 599260, 689149, 725420, 1378298, 2756596, 3445745, 6891490, 13782980]

約数ペア:

[(1, 13782980), (2, 6891490), (4, 3445745), (5, 2756596), (10, 1378298), (19, 725420), (20, 689149), (23, 599260), (38, 362710), (46, 299630), (76, 181355), (83, 166060), (92, 149815), (95, 145084), (115, 119852), (166, 83030), (190, 72542), (230, 59926), (332, 41515), (361, 38180), (380, 36271), (415, 33212), (437, 31540), (460, 29963), (722, 19090), (830, 16606), (874, 15770), (1444, 9545), (1577, 8740), (1660, 8303), (1748, 7885), (1805, 7636), (1909, 7220), (2185, 6308), (3154, 4370), (3610, 3818)]