7138022920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{621779}}^1$

素因数の和:621838

約数の個数: 64

約数和(自身を含む): 18802627200

約数和(自身を除く): 11664604280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 621779, 1243558, 2487116, 3108895, 4352453, 4974232, 6217790, 8704906, 12435580, 17409812, 21762265, 24871160, 25492939, 34819624, 43524530, 50985878, 87049060, 101971756, 127464695, 174098120, 178450573, 203943512, 254929390, 356901146, 509858780, 713802292, 892252865, 1019717560, 1427604584, 1784505730, 3569011460, 7138022920]

約数ペア:

[(1, 7138022920), (2, 3569011460), (4, 1784505730), (5, 1427604584), (7, 1019717560), (8, 892252865), (10, 713802292), (14, 509858780), (20, 356901146), (28, 254929390), (35, 203943512), (40, 178450573), (41, 174098120), (56, 127464695), (70, 101971756), (82, 87049060), (140, 50985878), (164, 43524530), (205, 34819624), (280, 25492939), (287, 24871160), (328, 21762265), (410, 17409812), (574, 12435580), (820, 8704906), (1148, 6217790), (1435, 4974232), (1640, 4352453), (2296, 3108895), (2870, 2487116), (5740, 1243558), (11480, 621779)]