209517308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 510515712

約数和(自身を除く): 300998404

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 67, 71, 77, 91, 121, 134, 142, 143, 154, 182, 242, 268, 284, 286, 308, 364, 469, 484, 497, 572, 737, 781, 847, 871, 923, 938, 994, 1001, 1474, 1562, 1573, 1694, 1742, 1846, 1876, 1988, 2002, 2948, 3124, 3146, 3388, 3484, 3692, 4004, 4757, 5159, 5467, 6097, 6292, 6461, 8107, 8591, 9514, 9581, 10153, 10318, 10934, 11011, 12194, 12922, 16214, 17182, 19028, 19162, 20306, 20636, 21868, 22022, 24388, 25844, 32428, 33299, 34364, 38324, 40612, 44044, 52327, 56749, 60137, 61841, 66598, 67067, 71071, 104654, 105391, 111683, 113498, 120274, 123682, 133196, 134134, 142142, 209308, 210782, 223366, 226996, 240548, 247364, 268268, 284284, 366289, 421564, 432887, 446732, 575597, 680251, 732578, 737737, 781781, 865774, 1151194, 1360502, 1465156, 1475474, 1563562, 1731548, 2302388, 2721004, 2950948, 3127124, 4029179, 4761757, 7482761, 8058358, 9523514, 14965522, 16116716, 19047028, 29931044, 52379327, 104758654, 209517308]

約数ペア:

[(1, 209517308), (2, 104758654), (4, 52379327), (7, 29931044), (11, 19047028), (13, 16116716), (14, 14965522), (22, 9523514), (26, 8058358), (28, 7482761), (44, 4761757), (52, 4029179), (67, 3127124), (71, 2950948), (77, 2721004), (91, 2302388), (121, 1731548), (134, 1563562), (142, 1475474), (143, 1465156), (154, 1360502), (182, 1151194), (242, 865774), (268, 781781), (284, 737737), (286, 732578), (308, 680251), (364, 575597), (469, 446732), (484, 432887), (497, 421564), (572, 366289), (737, 284284), (781, 268268), (847, 247364), (871, 240548), (923, 226996), (938, 223366), (994, 210782), (1001, 209308), (1474, 142142), (1562, 134134), (1573, 133196), (1694, 123682), (1742, 120274), (1846, 113498), (1876, 111683), (1988, 105391), (2002, 104654), (2948, 71071), (3124, 67067), (3146, 66598), (3388, 61841), (3484, 60137), (3692, 56749), (4004, 52327), (4757, 44044), (5159, 40612), (5467, 38324), (6097, 34364), (6292, 33299), (6461, 32428), (8107, 25844), (8591, 24388), (9514, 22022), (9581, 21868), (10153, 20636), (10318, 20306), (10934, 19162), (11011, 19028), (12194, 17182), (12922, 16214)]