90397825

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 134741376

約数和(自身を除く): 44343551

約数列:

[1, 5, 7, 25, 35, 41, 43, 175, 205, 215, 287, 293, 301, 1025, 1075, 1435, 1465, 1505, 1763, 2051, 7175, 7325, 7525, 8815, 10255, 12013, 12341, 12599, 44075, 51275, 60065, 61705, 62995, 84091, 88193, 300325, 308525, 314975, 420455, 440965, 516559, 2102275, 2204825, 2582795, 3615913, 12913975, 18079565, 90397825]

約数ペア:

[(1, 90397825), (5, 18079565), (7, 12913975), (25, 3615913), (35, 2582795), (41, 2204825), (43, 2102275), (175, 516559), (205, 440965), (215, 420455), (287, 314975), (293, 308525), (301, 300325), (1025, 88193), (1075, 84091), (1435, 62995), (1465, 61705), (1505, 60065), (1763, 51275), (2051, 44075), (7175, 12599), (7325, 12341), (7525, 12013), (8815, 10255)]