129204880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 80

約数和(自身を含む): 350691840

約数和(自身を除く): 221486960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 4909, 5264, 6580, 9818, 13160, 19636, 24545, 26320, 34363, 39272, 49090, 68726, 78544, 98180, 137452, 171815, 196360, 230723, 274904, 343630, 392720, 461446, 549808, 687260, 922892, 1153615, 1374520, 1615061, 1845784, 2307230, 2749040, 3230122, 3691568, 4614460, 6460244, 8075305, 9228920, 12920488, 16150610, 18457840, 25840976, 32301220, 64602440, 129204880]

約数ペア:

[(1, 129204880), (2, 64602440), (4, 32301220), (5, 25840976), (7, 18457840), (8, 16150610), (10, 12920488), (14, 9228920), (16, 8075305), (20, 6460244), (28, 4614460), (35, 3691568), (40, 3230122), (47, 2749040), (56, 2307230), (70, 1845784), (80, 1615061), (94, 1374520), (112, 1153615), (140, 922892), (188, 687260), (235, 549808), (280, 461446), (329, 392720), (376, 343630), (470, 274904), (560, 230723), (658, 196360), (752, 171815), (940, 137452), (1316, 98180), (1645, 78544), (1880, 68726), (2632, 49090), (3290, 39272), (3760, 34363), (4909, 26320), (5264, 24545), (6580, 19636), (9818, 13160)]