77871220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{32719}}^1$

素因数の和:32752

約数の個数: 48

約数和(自身を含む): 197890560

約数和(自身を除く): 120019340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 32719, 65438, 130876, 163595, 229033, 327190, 458066, 556223, 654380, 916132, 1112446, 1145165, 2224892, 2290330, 2781115, 3893561, 4580660, 5562230, 7787122, 11124460, 15574244, 19467805, 38935610, 77871220]

約数ペア:

[(1, 77871220), (2, 38935610), (4, 19467805), (5, 15574244), (7, 11124460), (10, 7787122), (14, 5562230), (17, 4580660), (20, 3893561), (28, 2781115), (34, 2290330), (35, 2224892), (68, 1145165), (70, 1112446), (85, 916132), (119, 654380), (140, 556223), (170, 458066), (238, 327190), (340, 229033), (476, 163595), (595, 130876), (1190, 65438), (2380, 32719)]