2018491475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 3406448640

約数和(自身を除く): 1387957165

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 79, 91, 143, 175, 275, 325, 385, 395, 455, 553, 715, 869, 1001, 1021, 1027, 1925, 1975, 2275, 2765, 3575, 4345, 5005, 5105, 5135, 6083, 7147, 7189, 11231, 11297, 13273, 13825, 21725, 25025, 25525, 25675, 30415, 35735, 35945, 56155, 56485, 66365, 78617, 79079, 80659, 92911, 146003, 152075, 178675, 179725, 280775, 282425, 331825, 393085, 395395, 403295, 464555, 564613, 730015, 887249, 1022021, 1048567, 1965425, 1976975, 2016475, 2322775, 2823065, 3650075, 4436245, 5110105, 5242835, 6210743, 7339969, 11534237, 14115325, 22181225, 25550525, 26214175, 31053715, 36699845, 57671185, 80739659, 155268575, 183499225, 288355925, 403698295, 2018491475]

約数ペア:

[(1, 2018491475), (5, 403698295), (7, 288355925), (11, 183499225), (13, 155268575), (25, 80739659), (35, 57671185), (55, 36699845), (65, 31053715), (77, 26214175), (79, 25550525), (91, 22181225), (143, 14115325), (175, 11534237), (275, 7339969), (325, 6210743), (385, 5242835), (395, 5110105), (455, 4436245), (553, 3650075), (715, 2823065), (869, 2322775), (1001, 2016475), (1021, 1976975), (1027, 1965425), (1925, 1048567), (1975, 1022021), (2275, 887249), (2765, 730015), (3575, 564613), (4345, 464555), (5005, 403295), (5105, 395395), (5135, 393085), (6083, 331825), (7147, 282425), (7189, 280775), (11231, 179725), (11297, 178675), (13273, 152075), (13825, 146003), (21725, 92911), (25025, 80659), (25525, 79079), (25675, 78617), (30415, 66365), (35735, 56485), (35945, 56155)]