194400000020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1229}}^1\times {\mathrm{29401}}^1$

素因数の和:30908

約数の個数: 48

約数和(自身を含む): 410104976400

約数和(自身を除く): 215704976380

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1229, 1345, 2458, 2690, 4916, 5380, 6145, 12290, 24580, 29401, 58802, 117604, 147005, 294010, 330601, 588020, 661202, 1322404, 1653005, 3306010, 6612020, 7908869, 15817738, 31635476, 36133829, 39544345, 72267658, 79088690, 144535316, 158177380, 180669145, 361338290, 722676580, 9720000001, 19440000002, 38880000004, 48600000005, 97200000010, 194400000020]

約数ペア:

[(1, 194400000020), (2, 97200000010), (4, 48600000005), (5, 38880000004), (10, 19440000002), (20, 9720000001), (269, 722676580), (538, 361338290), (1076, 180669145), (1229, 158177380), (1345, 144535316), (2458, 79088690), (2690, 72267658), (4916, 39544345), (5380, 36133829), (6145, 31635476), (12290, 15817738), (24580, 7908869), (29401, 6612020), (58802, 3306010), (117604, 1653005), (147005, 1322404), (294010, 661202), (330601, 588020)]