77881437620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9491}}^1\times {\mathrm{58613}}^1$

素因数の和:68120

約数の個数: 48

約数和(自身を含む): 186938333568

約数和(自身を除く): 109056895948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9491, 18982, 37964, 47455, 58613, 66437, 94910, 117226, 132874, 189820, 234452, 265748, 293065, 332185, 410291, 586130, 664370, 820582, 1172260, 1328740, 1641164, 2051455, 4102910, 8205820, 556295983, 1112591966, 2225183932, 2781479915, 3894071881, 5562959830, 7788143762, 11125919660, 15576287524, 19470359405, 38940718810, 77881437620]

約数ペア:

[(1, 77881437620), (2, 38940718810), (4, 19470359405), (5, 15576287524), (7, 11125919660), (10, 7788143762), (14, 5562959830), (20, 3894071881), (28, 2781479915), (35, 2225183932), (70, 1112591966), (140, 556295983), (9491, 8205820), (18982, 4102910), (37964, 2051455), (47455, 1641164), (58613, 1328740), (66437, 1172260), (94910, 820582), (117226, 664370), (132874, 586130), (189820, 410291), (234452, 332185), (265748, 293065)]