201890315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 283832640

約数和(自身を除く): 81942325

約数列:

[1, 5, 11, 29, 37, 55, 121, 145, 185, 311, 319, 407, 605, 1073, 1555, 1595, 2035, 3421, 3509, 4477, 5365, 9019, 11507, 11803, 17105, 17545, 22385, 37631, 45095, 57535, 59015, 99209, 126577, 129833, 188155, 333703, 496045, 632885, 649165, 1091299, 1392347, 1668515, 3670733, 5456495, 6961735, 18353665, 40378063, 201890315]

約数ペア:

[(1, 201890315), (5, 40378063), (11, 18353665), (29, 6961735), (37, 5456495), (55, 3670733), (121, 1668515), (145, 1392347), (185, 1091299), (311, 649165), (319, 632885), (407, 496045), (605, 333703), (1073, 188155), (1555, 129833), (1595, 126577), (2035, 99209), (3421, 59015), (3509, 57535), (4477, 45095), (5365, 37631), (9019, 22385), (11507, 17545), (11803, 17105)]