422293820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1213}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 970403616

約数和(自身を除く): 548109796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 338, 412, 515, 676, 845, 1030, 1213, 1339, 1690, 2060, 2426, 2678, 3380, 4852, 5356, 6065, 6695, 12130, 13390, 15769, 17407, 24260, 26780, 31538, 34814, 63076, 69628, 78845, 87035, 124939, 157690, 174070, 204997, 249878, 315380, 348140, 409994, 499756, 624695, 819988, 1024985, 1249390, 1624207, 2049970, 2498780, 3248414, 4099940, 6496828, 8121035, 16242070, 21114691, 32484140, 42229382, 84458764, 105573455, 211146910, 422293820]

約数ペア:

[(1, 422293820), (2, 211146910), (4, 105573455), (5, 84458764), (10, 42229382), (13, 32484140), (20, 21114691), (26, 16242070), (52, 8121035), (65, 6496828), (103, 4099940), (130, 3248414), (169, 2498780), (206, 2049970), (260, 1624207), (338, 1249390), (412, 1024985), (515, 819988), (676, 624695), (845, 499756), (1030, 409994), (1213, 348140), (1339, 315380), (1690, 249878), (2060, 204997), (2426, 174070), (2678, 157690), (3380, 124939), (4852, 87035), (5356, 78845), (6065, 69628), (6695, 63076), (12130, 34814), (13390, 31538), (15769, 26780), (17407, 24260)]