206393720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17257}}^1$

素因数の和:17304

約数の個数: 64

約数和(自身を含む): 521881920

約数和(自身を除く): 315488200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 17257, 34514, 69028, 86285, 138056, 172570, 224341, 345140, 396911, 448682, 690280, 793822, 897364, 1121705, 1587644, 1794728, 1984555, 2243410, 3175288, 3969110, 4486820, 5159843, 7938220, 8973640, 10319686, 15876440, 20639372, 25799215, 41278744, 51598430, 103196860, 206393720]

約数ペア:

[(1, 206393720), (2, 103196860), (4, 51598430), (5, 41278744), (8, 25799215), (10, 20639372), (13, 15876440), (20, 10319686), (23, 8973640), (26, 7938220), (40, 5159843), (46, 4486820), (52, 3969110), (65, 3175288), (92, 2243410), (104, 1984555), (115, 1794728), (130, 1587644), (184, 1121705), (230, 897364), (260, 793822), (299, 690280), (460, 448682), (520, 396911), (598, 345140), (920, 224341), (1196, 172570), (1495, 138056), (2392, 86285), (2990, 69028), (5980, 34514), (11960, 17257)]