390985840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17029}}^1$

素因数の和:17090

約数の個数: 80

約数和(自身を含む): 1064306880

約数和(自身を除く): 673321040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 17029, 22960, 34058, 68116, 85145, 119203, 136232, 170290, 238406, 272464, 340580, 476812, 596015, 681160, 698189, 953624, 1192030, 1362320, 1396378, 1907248, 2384060, 2792756, 3490945, 4768120, 4887323, 5585512, 6981890, 9536240, 9774646, 11171024, 13963780, 19549292, 24436615, 27927560, 39098584, 48873230, 55855120, 78197168, 97746460, 195492920, 390985840]

約数ペア:

[(1, 390985840), (2, 195492920), (4, 97746460), (5, 78197168), (7, 55855120), (8, 48873230), (10, 39098584), (14, 27927560), (16, 24436615), (20, 19549292), (28, 13963780), (35, 11171024), (40, 9774646), (41, 9536240), (56, 6981890), (70, 5585512), (80, 4887323), (82, 4768120), (112, 3490945), (140, 2792756), (164, 2384060), (205, 1907248), (280, 1396378), (287, 1362320), (328, 1192030), (410, 953624), (560, 698189), (574, 681160), (656, 596015), (820, 476812), (1148, 340580), (1435, 272464), (1640, 238406), (2296, 170290), (2870, 136232), (3280, 119203), (4592, 85145), (5740, 68116), (11480, 34058), (17029, 22960)]