7196540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 16511040

約数和(自身を除く): 9314500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 311, 356, 445, 622, 890, 1157, 1244, 1555, 1780, 2314, 3110, 4043, 4628, 5785, 6220, 8086, 11570, 16172, 20215, 23140, 27679, 40430, 55358, 80860, 110716, 138395, 276790, 359827, 553580, 719654, 1439308, 1799135, 3598270, 7196540]

約数ペア:

[(1, 7196540), (2, 3598270), (4, 1799135), (5, 1439308), (10, 719654), (13, 553580), (20, 359827), (26, 276790), (52, 138395), (65, 110716), (89, 80860), (130, 55358), (178, 40430), (260, 27679), (311, 23140), (356, 20215), (445, 16172), (622, 11570), (890, 8086), (1157, 6220), (1244, 5785), (1555, 4628), (1780, 4043), (2314, 3110)]