90600220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 200854080

約数和(自身を除く): 110253860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 2213, 4094, 4426, 8188, 8852, 10235, 11065, 20470, 22130, 40940, 44260, 50899, 101798, 196957, 203596, 254495, 393914, 508990, 787828, 984785, 1017980, 1969570, 3939140, 4530011, 9060022, 18120044, 22650055, 45300110, 90600220]

約数ペア:

[(1, 90600220), (2, 45300110), (4, 22650055), (5, 18120044), (10, 9060022), (20, 4530011), (23, 3939140), (46, 1969570), (89, 1017980), (92, 984785), (115, 787828), (178, 508990), (230, 393914), (356, 254495), (445, 203596), (460, 196957), (890, 101798), (1780, 50899), (2047, 44260), (2213, 40940), (4094, 22130), (4426, 20470), (8188, 11065), (8852, 10235)]