813379960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{8731}}^1$

素因数の和:8896

約数の個数: 64

約数和(自身を含む): 1952125920

約数和(自身を除く): 1138745960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 1096, 1370, 2329, 2740, 4658, 5480, 8731, 9316, 11645, 17462, 18632, 23290, 34924, 43655, 46580, 69848, 87310, 93160, 148427, 174620, 296854, 349240, 593708, 742135, 1187416, 1196147, 1484270, 2392294, 2968540, 4784588, 5937080, 5980735, 9569176, 11961470, 20334499, 23922940, 40668998, 47845880, 81337996, 101672495, 162675992, 203344990, 406689980, 813379960]

約数ペア:

[(1, 813379960), (2, 406689980), (4, 203344990), (5, 162675992), (8, 101672495), (10, 81337996), (17, 47845880), (20, 40668998), (34, 23922940), (40, 20334499), (68, 11961470), (85, 9569176), (136, 5980735), (137, 5937080), (170, 4784588), (274, 2968540), (340, 2392294), (548, 1484270), (680, 1196147), (685, 1187416), (1096, 742135), (1370, 593708), (2329, 349240), (2740, 296854), (4658, 174620), (5480, 148427), (8731, 93160), (9316, 87310), (11645, 69848), (17462, 46580), (18632, 43655), (23290, 34924)]