338780225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 508276992

約数和(自身を除く): 169496767

約数列:

[1, 5, 7, 23, 25, 35, 73, 115, 161, 175, 365, 511, 575, 805, 1153, 1679, 1825, 2555, 4025, 5765, 8071, 8395, 11753, 12775, 26519, 28825, 40355, 41975, 58765, 84169, 132595, 185633, 201775, 293825, 420845, 589183, 662975, 928165, 1935887, 2104225, 2945915, 4640825, 9679435, 13551209, 14729575, 48397175, 67756045, 338780225]

約数ペア:

[(1, 338780225), (5, 67756045), (7, 48397175), (23, 14729575), (25, 13551209), (35, 9679435), (73, 4640825), (115, 2945915), (161, 2104225), (175, 1935887), (365, 928165), (511, 662975), (575, 589183), (805, 420845), (1153, 293825), (1679, 201775), (1825, 185633), (2555, 132595), (4025, 84169), (5765, 58765), (8071, 41975), (8395, 40355), (11753, 28825), (12775, 26519)]