71398740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1381

約数の個数: 96

約数和(自身を含む): 230307840

約数和(自身を除く): 158909100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1223, 1390, 1668, 1946, 2085, 2446, 2780, 2919, 3669, 3892, 4170, 4865, 4892, 5838, 6115, 7338, 8340, 8561, 9730, 11676, 12230, 14595, 14676, 17122, 18345, 19460, 24460, 25683, 29190, 34244, 36690, 42805, 51366, 58380, 73380, 85610, 102732, 128415, 169997, 171220, 256830, 339994, 509991, 513660, 679988, 849985, 1019982, 1189979, 1699970, 2039964, 2379958, 2549955, 3399940, 3569937, 4759916, 5099910, 5949895, 7139874, 10199820, 11899790, 14279748, 17849685, 23799580, 35699370, 71398740]

約数ペア:

[(1, 71398740), (2, 35699370), (3, 23799580), (4, 17849685), (5, 14279748), (6, 11899790), (7, 10199820), (10, 7139874), (12, 5949895), (14, 5099910), (15, 4759916), (20, 3569937), (21, 3399940), (28, 2549955), (30, 2379958), (35, 2039964), (42, 1699970), (60, 1189979), (70, 1019982), (84, 849985), (105, 679988), (139, 513660), (140, 509991), (210, 339994), (278, 256830), (417, 171220), (420, 169997), (556, 128415), (695, 102732), (834, 85610), (973, 73380), (1223, 58380), (1390, 51366), (1668, 42805), (1946, 36690), (2085, 34244), (2446, 29190), (2780, 25683), (2919, 24460), (3669, 19460), (3892, 18345), (4170, 17122), (4865, 14676), (4892, 14595), (5838, 12230), (6115, 11676), (7338, 9730), (8340, 8561)]