2018998425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 3647088000

約数和(自身を除く): 1628089575

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 149, 185, 257, 285, 447, 475, 555, 703, 745, 771, 925, 1285, 1425, 2109, 2235, 2775, 2831, 3515, 3725, 3855, 4883, 5513, 6425, 8493, 9509, 10545, 11175, 14155, 14649, 16539, 17575, 19275, 24415, 27565, 28527, 38293, 42465, 47545, 52725, 70775, 73245, 82695, 104747, 114879, 122075, 137825, 142635, 180671, 191465, 212325, 237725, 314241, 366225, 413475, 523735, 542013, 574395, 713175, 727567, 903355, 957325, 1416841, 1571205, 2182701, 2618675, 2710065, 2871975, 3637835, 4250523, 4516775, 7084205, 7856025, 10913505, 13550325, 18189175, 21252615, 26919979, 35421025, 54567525, 80759937, 106263075, 134599895, 403799685, 672999475, 2018998425]

約数ペア:

[(1, 2018998425), (3, 672999475), (5, 403799685), (15, 134599895), (19, 106263075), (25, 80759937), (37, 54567525), (57, 35421025), (75, 26919979), (95, 21252615), (111, 18189175), (149, 13550325), (185, 10913505), (257, 7856025), (285, 7084205), (447, 4516775), (475, 4250523), (555, 3637835), (703, 2871975), (745, 2710065), (771, 2618675), (925, 2182701), (1285, 1571205), (1425, 1416841), (2109, 957325), (2235, 903355), (2775, 727567), (2831, 713175), (3515, 574395), (3725, 542013), (3855, 523735), (4883, 413475), (5513, 366225), (6425, 314241), (8493, 237725), (9509, 212325), (10545, 191465), (11175, 180671), (14155, 142635), (14649, 137825), (16539, 122075), (17575, 114879), (19275, 104747), (24415, 82695), (27565, 73245), (28527, 70775), (38293, 52725), (42465, 47545)]