2145306280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{317353}}^1$

素因数の和:317390

約数の個数: 48

約数和(自身を含む): 5226820380

約数和(自身を除く): 3081514100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 317353, 634706, 1269412, 1586765, 2538824, 3173530, 4125589, 6347060, 8251178, 12694120, 16502356, 20627945, 33004712, 41255890, 53632657, 82511780, 107265314, 165023560, 214530628, 268163285, 429061256, 536326570, 1072653140, 2145306280]

約数ペア:

[(1, 2145306280), (2, 1072653140), (4, 536326570), (5, 429061256), (8, 268163285), (10, 214530628), (13, 165023560), (20, 107265314), (26, 82511780), (40, 53632657), (52, 41255890), (65, 33004712), (104, 20627945), (130, 16502356), (169, 12694120), (260, 8251178), (338, 6347060), (520, 4125589), (676, 3173530), (845, 2538824), (1352, 1586765), (1690, 1269412), (3380, 634706), (6760, 317353)]