1229405950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 2321369280

約数和(自身を除く): 1091963330

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 431, 445, 641, 862, 890, 1282, 2155, 2225, 3205, 4310, 4450, 6410, 10775, 16025, 21550, 32050, 38359, 57049, 76718, 114098, 191795, 276271, 285245, 383590, 552542, 570490, 958975, 1381355, 1426225, 1917950, 2762710, 2852450, 6906775, 13813550, 24588119, 49176238, 122940595, 245881190, 614702975, 1229405950]

約数ペア:

[(1, 1229405950), (2, 614702975), (5, 245881190), (10, 122940595), (25, 49176238), (50, 24588119), (89, 13813550), (178, 6906775), (431, 2852450), (445, 2762710), (641, 1917950), (862, 1426225), (890, 1381355), (1282, 958975), (2155, 570490), (2225, 552542), (3205, 383590), (4310, 285245), (4450, 276271), (6410, 191795), (10775, 114098), (16025, 76718), (21550, 57049), (32050, 38359)]