7408700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 17863440

約数和(自身を除く): 10454740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 139, 164, 205, 260, 278, 325, 410, 533, 556, 650, 695, 820, 1025, 1066, 1300, 1390, 1807, 2050, 2132, 2665, 2780, 3475, 3614, 4100, 5330, 5699, 6950, 7228, 9035, 10660, 11398, 13325, 13900, 18070, 22796, 26650, 28495, 36140, 45175, 53300, 56990, 74087, 90350, 113980, 142475, 148174, 180700, 284950, 296348, 370435, 569900, 740870, 1481740, 1852175, 3704350, 7408700]

約数ペア:

[(1, 7408700), (2, 3704350), (4, 1852175), (5, 1481740), (10, 740870), (13, 569900), (20, 370435), (25, 296348), (26, 284950), (41, 180700), (50, 148174), (52, 142475), (65, 113980), (82, 90350), (100, 74087), (130, 56990), (139, 53300), (164, 45175), (205, 36140), (260, 28495), (278, 26650), (325, 22796), (410, 18070), (533, 13900), (556, 13325), (650, 11398), (695, 10660), (820, 9035), (1025, 7228), (1066, 6950), (1300, 5699), (1390, 5330), (1807, 4100), (2050, 3614), (2132, 3475), (2665, 2780)]