215619410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 208950190

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 89, 95, 178, 190, 205, 311, 410, 445, 622, 779, 890, 1555, 1558, 1691, 3110, 3382, 3649, 3895, 5909, 7298, 7790, 8455, 11818, 12751, 16910, 18245, 25502, 27679, 29545, 36490, 55358, 59090, 63755, 69331, 127510, 138395, 138662, 242269, 276790, 346655, 484538, 525901, 693310, 1051802, 1134839, 1211345, 2269678, 2422690, 2629505, 5259010, 5674195, 11348390, 21561941, 43123882, 107809705, 215619410]

約数ペア:

[(1, 215619410), (2, 107809705), (5, 43123882), (10, 21561941), (19, 11348390), (38, 5674195), (41, 5259010), (82, 2629505), (89, 2422690), (95, 2269678), (178, 1211345), (190, 1134839), (205, 1051802), (311, 693310), (410, 525901), (445, 484538), (622, 346655), (779, 276790), (890, 242269), (1555, 138662), (1558, 138395), (1691, 127510), (3110, 69331), (3382, 63755), (3649, 59090), (3895, 55358), (5909, 36490), (7298, 29545), (7790, 27679), (8455, 25502), (11818, 18245), (12751, 16910)]