2051280525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 3973459968

約数和(自身を除く): 1922179443

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 113, 175, 213, 339, 355, 487, 497, 525, 565, 791, 1065, 1461, 1491, 1695, 1775, 2373, 2435, 2485, 2825, 3409, 3955, 5325, 7305, 7455, 8023, 8475, 10227, 11865, 12175, 12425, 17045, 19775, 24069, 34577, 36525, 37275, 40115, 51135, 55031, 56161, 59325, 85225, 103731, 120345, 165093, 168483, 172885, 200575, 242039, 255675, 275155, 280805, 385217, 518655, 601725, 726117, 825465, 842415, 864425, 1155651, 1210195, 1375775, 1404025, 1926085, 2593275, 3630585, 3907201, 4127325, 4212075, 5778255, 6050975, 9630425, 11721603, 18152925, 19536005, 27350407, 28891275, 58608015, 82051221, 97680025, 136752035, 293040075, 410256105, 683760175, 2051280525]

約数ペア:

[(1, 2051280525), (3, 683760175), (5, 410256105), (7, 293040075), (15, 136752035), (21, 97680025), (25, 82051221), (35, 58608015), (71, 28891275), (75, 27350407), (105, 19536005), (113, 18152925), (175, 11721603), (213, 9630425), (339, 6050975), (355, 5778255), (487, 4212075), (497, 4127325), (525, 3907201), (565, 3630585), (791, 2593275), (1065, 1926085), (1461, 1404025), (1491, 1375775), (1695, 1210195), (1775, 1155651), (2373, 864425), (2435, 842415), (2485, 825465), (2825, 726117), (3409, 601725), (3955, 518655), (5325, 385217), (7305, 280805), (7455, 275155), (8023, 255675), (8475, 242039), (10227, 200575), (11865, 172885), (12175, 168483), (12425, 165093), (17045, 120345), (19775, 103731), (24069, 85225), (34577, 59325), (36525, 56161), (37275, 55031), (40115, 51135)]