239676625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 329563728

約数和(自身を除く): 89887103

約数列:

[1, 5, 17, 25, 43, 61, 85, 125, 215, 305, 425, 731, 1037, 1075, 1525, 1849, 2125, 2623, 3655, 5185, 5375, 7625, 9245, 13115, 18275, 25925, 31433, 44591, 46225, 65575, 91375, 112789, 129625, 157165, 222955, 231125, 327875, 563945, 785825, 1114775, 1917413, 2819725, 3929125, 5573875, 9587065, 14098625, 47935325, 239676625]

約数ペア:

[(1, 239676625), (5, 47935325), (17, 14098625), (25, 9587065), (43, 5573875), (61, 3929125), (85, 2819725), (125, 1917413), (215, 1114775), (305, 785825), (425, 563945), (731, 327875), (1037, 231125), (1075, 222955), (1525, 157165), (1849, 129625), (2125, 112789), (2623, 91375), (3655, 65575), (5185, 46225), (5375, 44591), (7625, 31433), (9245, 25925), (13115, 18275)]