201770860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 430063200

約数和(自身を除く): 228292340

約数列:

[1, 2, 4, 5, 10, 20, 137, 211, 274, 349, 422, 548, 685, 698, 844, 1055, 1370, 1396, 1745, 2110, 2740, 3490, 4220, 6980, 28907, 47813, 57814, 73639, 95626, 115628, 144535, 147278, 191252, 239065, 289070, 294556, 368195, 478130, 578140, 736390, 956260, 1472780, 10088543, 20177086, 40354172, 50442715, 100885430, 201770860]

約数ペア:

[(1, 201770860), (2, 100885430), (4, 50442715), (5, 40354172), (10, 20177086), (20, 10088543), (137, 1472780), (211, 956260), (274, 736390), (349, 578140), (422, 478130), (548, 368195), (685, 294556), (698, 289070), (844, 239065), (1055, 191252), (1370, 147278), (1396, 144535), (1745, 115628), (2110, 95626), (2740, 73639), (3490, 57814), (4220, 47813), (6980, 28907)]