290991090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2837}}^1$

素因数の和:3123

約数の個数: 64

約数和(自身を含む): 755225856

約数和(自身を除く): 464234766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 263, 390, 526, 789, 1315, 1578, 2630, 2837, 3419, 3945, 5674, 6838, 7890, 8511, 10257, 14185, 17022, 17095, 20514, 28370, 34190, 36881, 42555, 51285, 73762, 85110, 102570, 110643, 184405, 221286, 368810, 553215, 746131, 1106430, 1492262, 2238393, 3730655, 4476786, 7461310, 9699703, 11191965, 19399406, 22383930, 29099109, 48498515, 58198218, 96997030, 145495545, 290991090]

約数ペア:

[(1, 290991090), (2, 145495545), (3, 96997030), (5, 58198218), (6, 48498515), (10, 29099109), (13, 22383930), (15, 19399406), (26, 11191965), (30, 9699703), (39, 7461310), (65, 4476786), (78, 3730655), (130, 2238393), (195, 1492262), (263, 1106430), (390, 746131), (526, 553215), (789, 368810), (1315, 221286), (1578, 184405), (2630, 110643), (2837, 102570), (3419, 85110), (3945, 73762), (5674, 51285), (6838, 42555), (7890, 36881), (8511, 34190), (10257, 28370), (14185, 20514), (17022, 17095)]