7898240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 22619520

約数和(自身を除く): 14721280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 43, 56, 64, 70, 80, 82, 86, 112, 128, 140, 160, 164, 172, 205, 215, 224, 280, 287, 301, 320, 328, 344, 410, 430, 448, 560, 574, 602, 640, 656, 688, 820, 860, 896, 1120, 1148, 1204, 1312, 1376, 1435, 1505, 1640, 1720, 1763, 2240, 2296, 2408, 2624, 2752, 2870, 3010, 3280, 3440, 3526, 4480, 4592, 4816, 5248, 5504, 5740, 6020, 6560, 6880, 7052, 8815, 9184, 9632, 11480, 12040, 12341, 13120, 13760, 14104, 17630, 18368, 19264, 22960, 24080, 24682, 26240, 27520, 28208, 35260, 36736, 38528, 45920, 48160, 49364, 56416, 61705, 70520, 91840, 96320, 98728, 112832, 123410, 141040, 183680, 192640, 197456, 225664, 246820, 282080, 394912, 493640, 564160, 789824, 987280, 1128320, 1579648, 1974560, 3949120, 7898240]

約数ペア:

[(1, 7898240), (2, 3949120), (4, 1974560), (5, 1579648), (7, 1128320), (8, 987280), (10, 789824), (14, 564160), (16, 493640), (20, 394912), (28, 282080), (32, 246820), (35, 225664), (40, 197456), (41, 192640), (43, 183680), (56, 141040), (64, 123410), (70, 112832), (80, 98728), (82, 96320), (86, 91840), (112, 70520), (128, 61705), (140, 56416), (160, 49364), (164, 48160), (172, 45920), (205, 38528), (215, 36736), (224, 35260), (280, 28208), (287, 27520), (301, 26240), (320, 24682), (328, 24080), (344, 22960), (410, 19264), (430, 18368), (448, 17630), (560, 14104), (574, 13760), (602, 13120), (640, 12341), (656, 12040), (688, 11480), (820, 9632), (860, 9184), (896, 8815), (1120, 7052), (1148, 6880), (1204, 6560), (1312, 6020), (1376, 5740), (1435, 5504), (1505, 5248), (1640, 4816), (1720, 4592), (1763, 4480), (2240, 3526), (2296, 3440), (2408, 3280), (2624, 3010), (2752, 2870)]