628290425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 936606720

約数和(自身を除く): 308316295

約数列:

[1, 5, 7, 23, 25, 35, 115, 139, 161, 175, 575, 695, 805, 973, 1123, 3197, 3475, 4025, 4865, 5615, 7861, 15985, 22379, 24325, 25829, 28075, 39305, 79925, 111895, 129145, 156097, 180803, 196525, 559475, 645725, 780485, 904015, 1092679, 3590231, 3902425, 4520075, 5463395, 17951155, 25131617, 27316975, 89755775, 125658085, 628290425]

約数ペア:

[(1, 628290425), (5, 125658085), (7, 89755775), (23, 27316975), (25, 25131617), (35, 17951155), (115, 5463395), (139, 4520075), (161, 3902425), (175, 3590231), (575, 1092679), (695, 904015), (805, 780485), (973, 645725), (1123, 559475), (3197, 196525), (3475, 180803), (4025, 156097), (4865, 129145), (5615, 111895), (7861, 79925), (15985, 39305), (22379, 28075), (24325, 25829)]