1900979780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{3037}}^1$

素因数の和:3333

約数の個数: 96

約数和(自身を含む): 4850689536

約数和(自身を除く): 2949709756

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 263, 340, 476, 526, 595, 1052, 1190, 1315, 1841, 2380, 2630, 3037, 3682, 4471, 5260, 6074, 7364, 8942, 9205, 12148, 15185, 17884, 18410, 21259, 22355, 30370, 31297, 36820, 42518, 44710, 51629, 60740, 62594, 85036, 89420, 103258, 106295, 125188, 156485, 206516, 212590, 258145, 312970, 361403, 425180, 516290, 625940, 722806, 798731, 1032580, 1445612, 1597462, 1807015, 3194924, 3614030, 3993655, 5591117, 7228060, 7987310, 11182234, 13578427, 15974620, 22364468, 27156854, 27955585, 54313708, 55911170, 67892135, 95048989, 111822340, 135784270, 190097978, 271568540, 380195956, 475244945, 950489890, 1900979780]

約数ペア:

[(1, 1900979780), (2, 950489890), (4, 475244945), (5, 380195956), (7, 271568540), (10, 190097978), (14, 135784270), (17, 111822340), (20, 95048989), (28, 67892135), (34, 55911170), (35, 54313708), (68, 27955585), (70, 27156854), (85, 22364468), (119, 15974620), (140, 13578427), (170, 11182234), (238, 7987310), (263, 7228060), (340, 5591117), (476, 3993655), (526, 3614030), (595, 3194924), (1052, 1807015), (1190, 1597462), (1315, 1445612), (1841, 1032580), (2380, 798731), (2630, 722806), (3037, 625940), (3682, 516290), (4471, 425180), (5260, 361403), (6074, 312970), (7364, 258145), (8942, 212590), (9205, 206516), (12148, 156485), (15185, 125188), (17884, 106295), (18410, 103258), (21259, 89420), (22355, 85036), (30370, 62594), (31297, 60740), (36820, 51629), (42518, 44710)]