258750275

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 378737664

約数和(自身を除く): 119987389

約数列:

[1, 5, 7, 25, 35, 47, 163, 175, 193, 235, 329, 815, 965, 1141, 1175, 1351, 1645, 4075, 4825, 5705, 6755, 7661, 8225, 9071, 28525, 31459, 33775, 38305, 45355, 53627, 63497, 157295, 191525, 220213, 226775, 268135, 317485, 786475, 1101065, 1340675, 1478573, 1587425, 5505325, 7392865, 10350011, 36964325, 51750055, 258750275]

約数ペア:

[(1, 258750275), (5, 51750055), (7, 36964325), (25, 10350011), (35, 7392865), (47, 5505325), (163, 1587425), (175, 1478573), (193, 1340675), (235, 1101065), (329, 786475), (815, 317485), (965, 268135), (1141, 226775), (1175, 220213), (1351, 191525), (1645, 157295), (4075, 63497), (4825, 53627), (5705, 45355), (6755, 38305), (7661, 33775), (8225, 31459), (9071, 28525)]