30219460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 65726640

約数和(自身を除く): 35507180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 269, 274, 410, 538, 548, 685, 820, 1076, 1345, 1370, 2690, 2740, 5380, 5617, 11029, 11234, 22058, 22468, 28085, 36853, 44116, 55145, 56170, 73706, 110290, 112340, 147412, 184265, 220580, 368530, 737060, 1510973, 3021946, 6043892, 7554865, 15109730, 30219460]

約数ペア:

[(1, 30219460), (2, 15109730), (4, 7554865), (5, 6043892), (10, 3021946), (20, 1510973), (41, 737060), (82, 368530), (137, 220580), (164, 184265), (205, 147412), (269, 112340), (274, 110290), (410, 73706), (538, 56170), (548, 55145), (685, 44116), (820, 36853), (1076, 28085), (1345, 22468), (1370, 22058), (2690, 11234), (2740, 11029), (5380, 5617)]