343891640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 883872000

約数和(自身を除く): 539980360

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 43, 68, 76, 85, 86, 95, 136, 152, 170, 172, 190, 215, 323, 340, 344, 380, 430, 619, 646, 680, 731, 760, 817, 860, 1238, 1292, 1462, 1615, 1634, 1720, 2476, 2584, 2924, 3095, 3230, 3268, 3655, 4085, 4952, 5848, 6190, 6460, 6536, 7310, 8170, 10523, 11761, 12380, 12920, 13889, 14620, 16340, 21046, 23522, 24760, 26617, 27778, 29240, 32680, 42092, 47044, 52615, 53234, 55556, 58805, 69445, 84184, 94088, 105230, 106468, 111112, 117610, 133085, 138890, 199937, 210460, 212936, 235220, 266170, 277780, 399874, 420920, 452489, 470440, 505723, 532340, 555560, 799748, 904978, 999685, 1011446, 1064680, 1599496, 1809956, 1999370, 2022892, 2262445, 2528615, 3619912, 3998740, 4045784, 4524890, 5057230, 7997480, 8597291, 9049780, 10114460, 17194582, 18099560, 20228920, 34389164, 42986455, 68778328, 85972910, 171945820, 343891640]

約数ペア:

[(1, 343891640), (2, 171945820), (4, 85972910), (5, 68778328), (8, 42986455), (10, 34389164), (17, 20228920), (19, 18099560), (20, 17194582), (34, 10114460), (38, 9049780), (40, 8597291), (43, 7997480), (68, 5057230), (76, 4524890), (85, 4045784), (86, 3998740), (95, 3619912), (136, 2528615), (152, 2262445), (170, 2022892), (172, 1999370), (190, 1809956), (215, 1599496), (323, 1064680), (340, 1011446), (344, 999685), (380, 904978), (430, 799748), (619, 555560), (646, 532340), (680, 505723), (731, 470440), (760, 452489), (817, 420920), (860, 399874), (1238, 277780), (1292, 266170), (1462, 235220), (1615, 212936), (1634, 210460), (1720, 199937), (2476, 138890), (2584, 133085), (2924, 117610), (3095, 111112), (3230, 106468), (3268, 105230), (3655, 94088), (4085, 84184), (4952, 69445), (5848, 58805), (6190, 55556), (6460, 53234), (6536, 52615), (7310, 47044), (8170, 42092), (10523, 32680), (11761, 29240), (12380, 27778), (12920, 26617), (13889, 24760), (14620, 23522), (16340, 21046)]