30700400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 79709184

約数和(自身を除く): 49008784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 47, 50, 71, 80, 92, 94, 100, 115, 142, 184, 188, 200, 230, 235, 284, 355, 368, 376, 400, 460, 470, 568, 575, 710, 752, 920, 940, 1081, 1136, 1150, 1175, 1420, 1633, 1775, 1840, 1880, 2162, 2300, 2350, 2840, 3266, 3337, 3550, 3760, 4324, 4600, 4700, 5405, 5680, 6532, 6674, 7100, 8165, 8648, 9200, 9400, 10810, 13064, 13348, 14200, 16330, 16685, 17296, 18800, 21620, 26128, 26696, 27025, 28400, 32660, 33370, 40825, 43240, 53392, 54050, 65320, 66740, 76751, 81650, 83425, 86480, 108100, 130640, 133480, 153502, 163300, 166850, 216200, 266960, 307004, 326600, 333700, 383755, 432400, 614008, 653200, 667400, 767510, 1228016, 1334800, 1535020, 1918775, 3070040, 3837550, 6140080, 7675100, 15350200, 30700400]

約数ペア:

[(1, 30700400), (2, 15350200), (4, 7675100), (5, 6140080), (8, 3837550), (10, 3070040), (16, 1918775), (20, 1535020), (23, 1334800), (25, 1228016), (40, 767510), (46, 667400), (47, 653200), (50, 614008), (71, 432400), (80, 383755), (92, 333700), (94, 326600), (100, 307004), (115, 266960), (142, 216200), (184, 166850), (188, 163300), (200, 153502), (230, 133480), (235, 130640), (284, 108100), (355, 86480), (368, 83425), (376, 81650), (400, 76751), (460, 66740), (470, 65320), (568, 54050), (575, 53392), (710, 43240), (752, 40825), (920, 33370), (940, 32660), (1081, 28400), (1136, 27025), (1150, 26696), (1175, 26128), (1420, 21620), (1633, 18800), (1775, 17296), (1840, 16685), (1880, 16330), (2162, 14200), (2300, 13348), (2350, 13064), (2840, 10810), (3266, 9400), (3337, 9200), (3550, 8648), (3760, 8165), (4324, 7100), (4600, 6674), (4700, 6532), (5405, 5680)]