49721980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 132088320

約数和(自身を除く): 82366340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 166, 220, 308, 332, 385, 389, 415, 581, 770, 778, 830, 913, 1162, 1540, 1556, 1660, 1826, 1945, 2324, 2723, 2905, 3652, 3890, 4279, 4565, 5446, 5810, 6391, 7780, 8558, 9130, 10892, 11620, 12782, 13615, 17116, 18260, 21395, 25564, 27230, 29953, 31955, 32287, 42790, 54460, 59906, 63910, 64574, 85580, 119812, 127820, 129148, 149765, 161435, 226009, 299530, 322870, 355157, 452018, 599060, 645740, 710314, 904036, 1130045, 1420628, 1775785, 2260090, 2486099, 3551570, 4520180, 4972198, 7103140, 9944396, 12430495, 24860990, 49721980]

約数ペア:

[(1, 49721980), (2, 24860990), (4, 12430495), (5, 9944396), (7, 7103140), (10, 4972198), (11, 4520180), (14, 3551570), (20, 2486099), (22, 2260090), (28, 1775785), (35, 1420628), (44, 1130045), (55, 904036), (70, 710314), (77, 645740), (83, 599060), (110, 452018), (140, 355157), (154, 322870), (166, 299530), (220, 226009), (308, 161435), (332, 149765), (385, 129148), (389, 127820), (415, 119812), (581, 85580), (770, 64574), (778, 63910), (830, 59906), (913, 54460), (1162, 42790), (1540, 32287), (1556, 31955), (1660, 29953), (1826, 27230), (1945, 25564), (2324, 21395), (2723, 18260), (2905, 17116), (3652, 13615), (3890, 12782), (4279, 11620), (4565, 10892), (5446, 9130), (5810, 8558), (6391, 7780)]