49985780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 122943744

約数和(自身を除く): 72957964

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 170, 172, 215, 221, 260, 263, 340, 430, 442, 526, 559, 731, 860, 884, 1052, 1105, 1118, 1315, 1462, 2210, 2236, 2630, 2795, 2924, 3419, 3655, 4420, 4471, 5260, 5590, 6838, 7310, 8942, 9503, 11180, 11309, 13676, 14620, 17095, 17884, 19006, 22355, 22618, 34190, 38012, 44710, 45236, 47515, 56545, 58123, 68380, 89420, 95030, 113090, 116246, 147017, 190060, 192253, 226180, 232492, 290615, 294034, 384506, 581230, 588068, 735085, 769012, 961265, 1162460, 1470170, 1922530, 2499289, 2940340, 3845060, 4998578, 9997156, 12496445, 24992890, 49985780]

約数ペア:

[(1, 49985780), (2, 24992890), (4, 12496445), (5, 9997156), (10, 4998578), (13, 3845060), (17, 2940340), (20, 2499289), (26, 1922530), (34, 1470170), (43, 1162460), (52, 961265), (65, 769012), (68, 735085), (85, 588068), (86, 581230), (130, 384506), (170, 294034), (172, 290615), (215, 232492), (221, 226180), (260, 192253), (263, 190060), (340, 147017), (430, 116246), (442, 113090), (526, 95030), (559, 89420), (731, 68380), (860, 58123), (884, 56545), (1052, 47515), (1105, 45236), (1118, 44710), (1315, 38012), (1462, 34190), (2210, 22618), (2236, 22355), (2630, 19006), (2795, 17884), (2924, 17095), (3419, 14620), (3655, 13676), (4420, 11309), (4471, 11180), (5260, 9503), (5590, 8942), (6838, 7310)]