30220970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7499}}^1$

素因数の和:7550

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 30259030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7499, 14998, 37495, 74990, 97487, 194974, 232469, 464938, 487435, 974870, 1162345, 2324690, 3022097, 6044194, 15110485, 30220970]

約数ペア:

[(1, 30220970), (2, 15110485), (5, 6044194), (10, 3022097), (13, 2324690), (26, 1162345), (31, 974870), (62, 487435), (65, 464938), (130, 232469), (155, 194974), (310, 97487), (403, 74990), (806, 37495), (2015, 14998), (4030, 7499)]