12919100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 30185568

約数和(自身を除く): 17266468

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 137, 164, 205, 230, 274, 410, 460, 548, 575, 685, 820, 943, 1025, 1150, 1370, 1886, 2050, 2300, 2740, 3151, 3425, 3772, 4100, 4715, 5617, 6302, 6850, 9430, 11234, 12604, 13700, 15755, 18860, 22468, 23575, 28085, 31510, 47150, 56170, 63020, 78775, 94300, 112340, 129191, 140425, 157550, 258382, 280850, 315100, 516764, 561700, 645955, 1291910, 2583820, 3229775, 6459550, 12919100]

約数ペア:

[(1, 12919100), (2, 6459550), (4, 3229775), (5, 2583820), (10, 1291910), (20, 645955), (23, 561700), (25, 516764), (41, 315100), (46, 280850), (50, 258382), (82, 157550), (92, 140425), (100, 129191), (115, 112340), (137, 94300), (164, 78775), (205, 63020), (230, 56170), (274, 47150), (410, 31510), (460, 28085), (548, 23575), (575, 22468), (685, 18860), (820, 15755), (943, 13700), (1025, 12604), (1150, 11234), (1370, 9430), (1886, 6850), (2050, 6302), (2300, 5617), (2740, 4715), (3151, 4100), (3425, 3772)]