788890700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{606839}}^1$

素因数の和:606866

約数の個数: 36

約数和(自身を含む): 1843579920

約数和(自身を除く): 1054689220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 606839, 1213678, 2427356, 3034195, 6068390, 7888907, 12136780, 15170975, 15777814, 30341950, 31555628, 39444535, 60683900, 78889070, 157778140, 197222675, 394445350, 788890700]

約数ペア:

[(1, 788890700), (2, 394445350), (4, 197222675), (5, 157778140), (10, 78889070), (13, 60683900), (20, 39444535), (25, 31555628), (26, 30341950), (50, 15777814), (52, 15170975), (65, 12136780), (100, 7888907), (130, 6068390), (260, 3034195), (325, 2427356), (650, 1213678), (1300, 606839)]