139750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 32

約数和(自身を含む): 288288

約数和(自身を除く): 148538

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 215, 250, 325, 430, 559, 650, 1075, 1118, 1625, 2150, 2795, 3250, 5375, 5590, 10750, 13975, 27950, 69875, 139750]

約数ペア:

[(1, 139750), (2, 69875), (5, 27950), (10, 13975), (13, 10750), (25, 5590), (26, 5375), (43, 3250), (50, 2795), (65, 2150), (86, 1625), (125, 1118), (130, 1075), (215, 650), (250, 559), (325, 430)]