740949580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{2027}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 1815781968

約数和(自身を除く): 1074832388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 373, 490, 746, 980, 1492, 1865, 2027, 2611, 3730, 4054, 5222, 7460, 8108, 10135, 10444, 13055, 14189, 18277, 20270, 26110, 28378, 36554, 40540, 52220, 56756, 70945, 73108, 91385, 99323, 141890, 182770, 198646, 283780, 365540, 397292, 496615, 756071, 993230, 1512142, 1986460, 3024284, 3780355, 5292497, 7560710, 10584994, 15121420, 21169988, 26462485, 37047479, 52924970, 74094958, 105849940, 148189916, 185237395, 370474790, 740949580]

約数ペア:

[(1, 740949580), (2, 370474790), (4, 185237395), (5, 148189916), (7, 105849940), (10, 74094958), (14, 52924970), (20, 37047479), (28, 26462485), (35, 21169988), (49, 15121420), (70, 10584994), (98, 7560710), (140, 5292497), (196, 3780355), (245, 3024284), (373, 1986460), (490, 1512142), (746, 993230), (980, 756071), (1492, 496615), (1865, 397292), (2027, 365540), (2611, 283780), (3730, 198646), (4054, 182770), (5222, 141890), (7460, 99323), (8108, 91385), (10135, 73108), (10444, 70945), (13055, 56756), (14189, 52220), (18277, 40540), (20270, 36554), (26110, 28378)]