1806943670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{1789}}^1$

素因数の和:2157

約数の個数: 64

約数和(自身を含む): 3810723840

約数和(自身を除く): 2003780170

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 307, 329, 470, 614, 658, 1535, 1645, 1789, 2149, 3070, 3290, 3578, 4298, 8945, 10745, 12523, 14429, 17890, 21490, 25046, 28858, 62615, 72145, 84083, 101003, 125230, 144290, 168166, 202006, 420415, 505015, 549223, 588581, 840830, 1010030, 1098446, 1177162, 2746115, 2942905, 3844561, 5492230, 5885810, 7689122, 19222805, 25813481, 38445610, 51626962, 129067405, 180694367, 258134810, 361388734, 903471835, 1806943670]

約数ペア:

[(1, 1806943670), (2, 903471835), (5, 361388734), (7, 258134810), (10, 180694367), (14, 129067405), (35, 51626962), (47, 38445610), (70, 25813481), (94, 19222805), (235, 7689122), (307, 5885810), (329, 5492230), (470, 3844561), (614, 2942905), (658, 2746115), (1535, 1177162), (1645, 1098446), (1789, 1010030), (2149, 840830), (3070, 588581), (3290, 549223), (3578, 505015), (4298, 420415), (8945, 202006), (10745, 168166), (12523, 144290), (14429, 125230), (17890, 101003), (21490, 84083), (25046, 72145), (28858, 62615)]