90267220

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{19709}}^1$

素因数の和:19947

約数の個数: 24

約数和(自身を含む): 190398600

約数和(自身を除く): 100131380

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 19709, 39418, 78836, 98545, 197090, 394180, 4513361, 9026722, 18053444, 22566805, 45133610, 90267220]

約数ペア:

[(1, 90267220), (2, 45133610), (4, 22566805), (5, 18053444), (10, 9026722), (20, 4513361), (229, 394180), (458, 197090), (916, 98545), (1145, 78836), (2290, 39418), (4580, 19709)]