189005375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 267209280

約数和(自身を除く): 78203905

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 169, 299, 325, 389, 575, 845, 1495, 1625, 1945, 2875, 3887, 4225, 5057, 7475, 8947, 9725, 19435, 21125, 25285, 37375, 44735, 48625, 65741, 97175, 116311, 126425, 223675, 328705, 485875, 581555, 632125, 1118375, 1512043, 1643525, 2907775, 7560215, 8217625, 14538875, 37801075, 189005375]

約数ペア:

[(1, 189005375), (5, 37801075), (13, 14538875), (23, 8217625), (25, 7560215), (65, 2907775), (115, 1643525), (125, 1512043), (169, 1118375), (299, 632125), (325, 581555), (389, 485875), (575, 328705), (845, 223675), (1495, 126425), (1625, 116311), (1945, 97175), (2875, 65741), (3887, 48625), (4225, 44735), (5057, 37375), (7475, 25285), (8947, 21125), (9725, 19435)]