122792020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 295788024

約数和(自身を除く): 172996004

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2137, 2210, 2873, 3380, 4274, 4420, 5746, 8548, 10685, 11492, 14365, 21370, 27781, 28730, 36329, 42740, 55562, 57460, 72658, 111124, 138905, 145316, 181645, 277810, 361153, 363290, 472277, 555620, 722306, 726580, 944554, 1444612, 1805765, 1889108, 2361385, 3611530, 4722770, 6139601, 7223060, 9445540, 12279202, 24558404, 30698005, 61396010, 122792020]

約数ペア:

[(1, 122792020), (2, 61396010), (4, 30698005), (5, 24558404), (10, 12279202), (13, 9445540), (17, 7223060), (20, 6139601), (26, 4722770), (34, 3611530), (52, 2361385), (65, 1889108), (68, 1805765), (85, 1444612), (130, 944554), (169, 726580), (170, 722306), (221, 555620), (260, 472277), (338, 363290), (340, 361153), (442, 277810), (676, 181645), (845, 145316), (884, 138905), (1105, 111124), (1690, 72658), (2137, 57460), (2210, 55562), (2873, 42740), (3380, 36329), (4274, 28730), (4420, 27781), (5746, 21370), (8548, 14365), (10685, 11492)]