30980845

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 13497875

約数列:

[1, 5, 7, 29, 35, 131, 145, 203, 233, 655, 917, 1015, 1165, 1631, 3799, 4585, 6757, 8155, 18995, 26593, 30523, 33785, 47299, 132965, 152615, 213661, 236495, 885167, 1068305, 4425835, 6196169, 30980845]

約数ペア:

[(1, 30980845), (5, 6196169), (7, 4425835), (29, 1068305), (35, 885167), (131, 236495), (145, 213661), (203, 152615), (233, 132965), (655, 47299), (917, 33785), (1015, 30523), (1165, 26593), (1631, 18995), (3799, 8155), (4585, 6757)]