31385550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 90422784

約数和(自身を除く): 59037234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 71, 75, 105, 142, 150, 175, 210, 213, 350, 355, 421, 426, 497, 525, 710, 842, 994, 1050, 1065, 1263, 1491, 1775, 2105, 2130, 2485, 2526, 2947, 2982, 3550, 4210, 4970, 5325, 5894, 6315, 7455, 8841, 10525, 10650, 12425, 12630, 14735, 14910, 17682, 21050, 24850, 29470, 29891, 31575, 37275, 44205, 59782, 63150, 73675, 74550, 88410, 89673, 147350, 149455, 179346, 209237, 221025, 298910, 418474, 442050, 448365, 627711, 747275, 896730, 1046185, 1255422, 1494550, 2092370, 2241825, 3138555, 4483650, 5230925, 6277110, 10461850, 15692775, 31385550]

約数ペア:

[(1, 31385550), (2, 15692775), (3, 10461850), (5, 6277110), (6, 5230925), (7, 4483650), (10, 3138555), (14, 2241825), (15, 2092370), (21, 1494550), (25, 1255422), (30, 1046185), (35, 896730), (42, 747275), (50, 627711), (70, 448365), (71, 442050), (75, 418474), (105, 298910), (142, 221025), (150, 209237), (175, 179346), (210, 149455), (213, 147350), (350, 89673), (355, 88410), (421, 74550), (426, 73675), (497, 63150), (525, 59782), (710, 44205), (842, 37275), (994, 31575), (1050, 29891), (1065, 29470), (1263, 24850), (1491, 21050), (1775, 17682), (2105, 14910), (2130, 14735), (2485, 12630), (2526, 12425), (2947, 10650), (2982, 10525), (3550, 8841), (4210, 7455), (4970, 6315), (5325, 5894)]