1999722810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{40819}}^1$

素因数の和:40923

約数の個数: 64

約数和(自身を含む): 5078661120

約数和(自身を除く): 3078938310

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 213, 230, 345, 355, 426, 690, 710, 1065, 1633, 2130, 3266, 4899, 8165, 9798, 16330, 24495, 40819, 48990, 81638, 122457, 204095, 244914, 408190, 612285, 938837, 1224570, 1877674, 2816511, 2898149, 4694185, 5633022, 5796298, 8694447, 9388370, 14082555, 14490745, 17388894, 28165110, 28981490, 43472235, 66657427, 86944470, 133314854, 199972281, 333287135, 399944562, 666574270, 999861405, 1999722810]

約数ペア:

[(1, 1999722810), (2, 999861405), (3, 666574270), (5, 399944562), (6, 333287135), (10, 199972281), (15, 133314854), (23, 86944470), (30, 66657427), (46, 43472235), (69, 28981490), (71, 28165110), (115, 17388894), (138, 14490745), (142, 14082555), (213, 9388370), (230, 8694447), (345, 5796298), (355, 5633022), (426, 4694185), (690, 2898149), (710, 2816511), (1065, 1877674), (1633, 1224570), (2130, 938837), (3266, 612285), (4899, 408190), (8165, 244914), (9798, 204095), (16330, 122457), (24495, 81638), (40819, 48990)]