201001780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 499048704

約数和(自身を除く): 298046924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 173, 193, 215, 301, 346, 386, 430, 602, 692, 772, 860, 865, 965, 1204, 1211, 1351, 1505, 1730, 1930, 2422, 2702, 3010, 3460, 3860, 4844, 5404, 6020, 6055, 6755, 7439, 8299, 12110, 13510, 14878, 16598, 24220, 27020, 29756, 33196, 33389, 37195, 41495, 52073, 58093, 66778, 74390, 82990, 104146, 116186, 133556, 148780, 165980, 166945, 208292, 232372, 233723, 260365, 290465, 333890, 467446, 520730, 580930, 667780, 934892, 1041460, 1161860, 1168615, 1435727, 2337230, 2871454, 4674460, 5742908, 7178635, 10050089, 14357270, 20100178, 28714540, 40200356, 50250445, 100500890, 201001780]

約数ペア:

[(1, 201001780), (2, 100500890), (4, 50250445), (5, 40200356), (7, 28714540), (10, 20100178), (14, 14357270), (20, 10050089), (28, 7178635), (35, 5742908), (43, 4674460), (70, 2871454), (86, 2337230), (140, 1435727), (172, 1168615), (173, 1161860), (193, 1041460), (215, 934892), (301, 667780), (346, 580930), (386, 520730), (430, 467446), (602, 333890), (692, 290465), (772, 260365), (860, 233723), (865, 232372), (965, 208292), (1204, 166945), (1211, 165980), (1351, 148780), (1505, 133556), (1730, 116186), (1930, 104146), (2422, 82990), (2702, 74390), (3010, 66778), (3460, 58093), (3860, 52073), (4844, 41495), (5404, 37195), (6020, 33389), (6055, 33196), (6755, 29756), (7439, 27020), (8299, 24220), (12110, 16598), (13510, 14878)]