6420220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 14914368

約数和(自身を除く): 8494148

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 821, 1564, 1642, 1955, 3284, 3910, 4105, 7820, 8210, 13957, 16420, 18883, 27914, 37766, 55828, 69785, 75532, 94415, 139570, 188830, 279140, 321011, 377660, 642022, 1284044, 1605055, 3210110, 6420220]

約数ペア:

[(1, 6420220), (2, 3210110), (4, 1605055), (5, 1284044), (10, 642022), (17, 377660), (20, 321011), (23, 279140), (34, 188830), (46, 139570), (68, 94415), (85, 75532), (92, 69785), (115, 55828), (170, 37766), (230, 27914), (340, 18883), (391, 16420), (460, 13957), (782, 8210), (821, 7820), (1564, 4105), (1642, 3910), (1955, 3284)]