1245236020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1270649}}^1$

素因数の和:1270672

約数の個数: 36

約数和(自身を含む): 3041936100

約数和(自身を除く): 1796700080

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1270649, 2541298, 5082596, 6353245, 8894543, 12706490, 17789086, 25412980, 35578172, 44472715, 62261801, 88945430, 124523602, 177890860, 249047204, 311309005, 622618010, 1245236020]

約数ペア:

[(1, 1245236020), (2, 622618010), (4, 311309005), (5, 249047204), (7, 177890860), (10, 124523602), (14, 88945430), (20, 62261801), (28, 44472715), (35, 35578172), (49, 25412980), (70, 17789086), (98, 12706490), (140, 8894543), (196, 6353245), (245, 5082596), (490, 2541298), (980, 1270649)]