204889980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{148471}}^1$

素因数の和:148506

約数の個数: 48

約数和(自身を含む): 598639104

約数和(自身を除く): 393749124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 148471, 296942, 445413, 593884, 742355, 890826, 1484710, 1781652, 2227065, 2969420, 3414833, 4454130, 6829666, 8908260, 10244499, 13659332, 17074165, 20488998, 34148330, 40977996, 51222495, 68296660, 102444990, 204889980]

約数ペア:

[(1, 204889980), (2, 102444990), (3, 68296660), (4, 51222495), (5, 40977996), (6, 34148330), (10, 20488998), (12, 17074165), (15, 13659332), (20, 10244499), (23, 8908260), (30, 6829666), (46, 4454130), (60, 3414833), (69, 2969420), (92, 2227065), (115, 1781652), (138, 1484710), (230, 890826), (276, 742355), (345, 593884), (460, 445413), (690, 296942), (1380, 148471)]