90388780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{122147}}^1$

素因数の和:122193

約数の個数: 24

約数和(自身を含む): 194948208

約数和(自身を除く): 104559428

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 122147, 244294, 488588, 610735, 1221470, 2442940, 4519439, 9038878, 18077756, 22597195, 45194390, 90388780]

約数ペア:

[(1, 90388780), (2, 45194390), (4, 22597195), (5, 18077756), (10, 9038878), (20, 4519439), (37, 2442940), (74, 1221470), (148, 610735), (185, 488588), (370, 244294), (740, 122147)]