408141505

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 529320636

約数和(自身を除く): 121179131

約数列:

[1, 5, 29, 31, 101, 145, 155, 505, 841, 899, 961, 2929, 3131, 4205, 4495, 4805, 14645, 15655, 26071, 27869, 84941, 90799, 97061, 130355, 139345, 424705, 453995, 485305, 808201, 2633171, 2814769, 4041005, 13165855, 14073845, 81628301, 408141505]

約数ペア:

[(1, 408141505), (5, 81628301), (29, 14073845), (31, 13165855), (101, 4041005), (145, 2814769), (155, 2633171), (505, 808201), (841, 485305), (899, 453995), (961, 424705), (2929, 139345), (3131, 130355), (4205, 97061), (4495, 90799), (4805, 84941), (14645, 27869), (15655, 26071)]