201917940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25303}}^1$

素因数の和:25341

約数の個数: 96

約数和(自身を含む): 680171520

約数和(自身を除く): 478253580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 25303, 50606, 75909, 101212, 126515, 151818, 177121, 253030, 303636, 354242, 379545, 480757, 506060, 531363, 708484, 759090, 885605, 961514, 1062726, 1442271, 1518180, 1771210, 1923028, 2125452, 2403785, 2656815, 2884542, 3365299, 3542420, 4807570, 5313630, 5769084, 6730598, 7211355, 9615140, 10095897, 10627260, 13461196, 14422710, 16826495, 20191794, 28845420, 33652990, 40383588, 50479485, 67305980, 100958970, 201917940]

約数ペア:

[(1, 201917940), (2, 100958970), (3, 67305980), (4, 50479485), (5, 40383588), (6, 33652990), (7, 28845420), (10, 20191794), (12, 16826495), (14, 14422710), (15, 13461196), (19, 10627260), (20, 10095897), (21, 9615140), (28, 7211355), (30, 6730598), (35, 5769084), (38, 5313630), (42, 4807570), (57, 3542420), (60, 3365299), (70, 2884542), (76, 2656815), (84, 2403785), (95, 2125452), (105, 1923028), (114, 1771210), (133, 1518180), (140, 1442271), (190, 1062726), (210, 961514), (228, 885605), (266, 759090), (285, 708484), (380, 531363), (399, 506060), (420, 480757), (532, 379545), (570, 354242), (665, 303636), (798, 253030), (1140, 177121), (1330, 151818), (1596, 126515), (1995, 101212), (2660, 75909), (3990, 50606), (7980, 25303)]