1971690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 5564160

約数和(自身を除く): 3592470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 229, 246, 287, 410, 458, 574, 615, 687, 861, 1145, 1230, 1374, 1435, 1603, 1722, 2290, 2870, 3206, 3435, 4305, 4809, 6870, 8015, 8610, 9389, 9618, 16030, 18778, 24045, 28167, 46945, 48090, 56334, 65723, 93890, 131446, 140835, 197169, 281670, 328615, 394338, 657230, 985845, 1971690]

約数ペア:

[(1, 1971690), (2, 985845), (3, 657230), (5, 394338), (6, 328615), (7, 281670), (10, 197169), (14, 140835), (15, 131446), (21, 93890), (30, 65723), (35, 56334), (41, 48090), (42, 46945), (70, 28167), (82, 24045), (105, 18778), (123, 16030), (205, 9618), (210, 9389), (229, 8610), (246, 8015), (287, 6870), (410, 4809), (458, 4305), (574, 3435), (615, 3206), (687, 2870), (861, 2290), (1145, 1722), (1230, 1603), (1374, 1435)]