189717625

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 243734400

約数和(自身を除く): 54016775

約数列:

[1, 5, 25, 61, 125, 139, 179, 305, 695, 895, 1525, 3475, 4475, 7625, 8479, 10919, 17375, 22375, 24881, 42395, 54595, 124405, 211975, 272975, 622025, 1059875, 1364875, 1517741, 3110125, 7588705, 37943525, 189717625]

約数ペア:

[(1, 189717625), (5, 37943525), (25, 7588705), (61, 3110125), (125, 1517741), (139, 1364875), (179, 1059875), (305, 622025), (695, 272975), (895, 211975), (1525, 124405), (3475, 54595), (4475, 42395), (7625, 24881), (8479, 22375), (10919, 17375)]