28429100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2427

約数の個数: 72

約数和(自身を含む): 74682720

約数和(自身を除く): 46253620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1700, 2380, 2389, 2975, 4778, 5950, 9556, 11900, 11945, 16723, 23890, 33446, 40613, 47780, 59725, 66892, 81226, 83615, 119450, 162452, 167230, 203065, 238900, 284291, 334460, 406130, 418075, 568582, 812260, 836150, 1015325, 1137164, 1421455, 1672300, 2030650, 2842910, 4061300, 5685820, 7107275, 14214550, 28429100]

約数ペア:

[(1, 28429100), (2, 14214550), (4, 7107275), (5, 5685820), (7, 4061300), (10, 2842910), (14, 2030650), (17, 1672300), (20, 1421455), (25, 1137164), (28, 1015325), (34, 836150), (35, 812260), (50, 568582), (68, 418075), (70, 406130), (85, 334460), (100, 284291), (119, 238900), (140, 203065), (170, 167230), (175, 162452), (238, 119450), (340, 83615), (350, 81226), (425, 66892), (476, 59725), (595, 47780), (700, 40613), (850, 33446), (1190, 23890), (1700, 16723), (2380, 11945), (2389, 11900), (2975, 9556), (4778, 5950)]