90578210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12391}}^1$

素因数の和:12458

約数の個数: 32

約数和(自身を含む): 176660352

約数和(自身を除く): 86082142

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 12391, 24782, 61955, 123910, 210647, 421294, 532813, 1053235, 1065626, 2106470, 2664065, 5328130, 9057821, 18115642, 45289105, 90578210]

約数ペア:

[(1, 90578210), (2, 45289105), (5, 18115642), (10, 9057821), (17, 5328130), (34, 2664065), (43, 2106470), (85, 1065626), (86, 1053235), (170, 532813), (215, 421294), (430, 210647), (731, 123910), (1462, 61955), (3655, 24782), (7310, 12391)]