216056980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18341}}^1$

素因数の和:18400

約数の個数: 48

約数和(自身を含む): 493032960

約数和(自身を除く): 276975980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 18341, 36682, 73364, 91705, 183410, 348479, 366820, 568571, 696958, 1137142, 1393916, 1742395, 2274284, 2842855, 3484790, 5685710, 6969580, 10802849, 11371420, 21605698, 43211396, 54014245, 108028490, 216056980]

約数ペア:

[(1, 216056980), (2, 108028490), (4, 54014245), (5, 43211396), (10, 21605698), (19, 11371420), (20, 10802849), (31, 6969580), (38, 5685710), (62, 3484790), (76, 2842855), (95, 2274284), (124, 1742395), (155, 1393916), (190, 1137142), (310, 696958), (380, 568571), (589, 366820), (620, 348479), (1178, 183410), (2356, 91705), (2945, 73364), (5890, 36682), (11780, 18341)]