30204850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 62496000

約数和(自身を除く): 32291150

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1499, 1550, 2015, 2998, 4030, 7495, 10075, 14990, 19487, 20150, 37475, 38974, 46469, 74950, 92938, 97435, 194870, 232345, 464690, 487175, 604097, 974350, 1161725, 1208194, 2323450, 3020485, 6040970, 15102425, 30204850]

約数ペア:

[(1, 30204850), (2, 15102425), (5, 6040970), (10, 3020485), (13, 2323450), (25, 1208194), (26, 1161725), (31, 974350), (50, 604097), (62, 487175), (65, 464690), (130, 232345), (155, 194870), (310, 97435), (325, 92938), (403, 74950), (650, 46469), (775, 38974), (806, 37475), (1499, 20150), (1550, 19487), (2015, 14990), (2998, 10075), (4030, 7495)]