71380405900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{5135281}}^1$

素因数の和:5135434

約数の個数: 36

約数和(自身を含む): 156009867160

約数和(自身を除く): 84629461260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 5135281, 10270562, 20541124, 25676405, 51352810, 102705620, 128382025, 256764050, 513528100, 713804059, 1427608118, 2855216236, 3569020295, 7138040590, 14276081180, 17845101475, 35690202950, 71380405900]

約数ペア:

[(1, 71380405900), (2, 35690202950), (4, 17845101475), (5, 14276081180), (10, 7138040590), (20, 3569020295), (25, 2855216236), (50, 1427608118), (100, 713804059), (139, 513528100), (278, 256764050), (556, 128382025), (695, 102705620), (1390, 51352810), (2780, 25676405), (3475, 20541124), (6950, 10270562), (13900, 5135281)]