2750540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3599860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 149, 260, 284, 298, 355, 596, 710, 745, 923, 1420, 1490, 1846, 1937, 2980, 3692, 3874, 4615, 7748, 9230, 9685, 10579, 18460, 19370, 21158, 38740, 42316, 52895, 105790, 137527, 211580, 275054, 550108, 687635, 1375270, 2750540]

約数ペア:

[(1, 2750540), (2, 1375270), (4, 687635), (5, 550108), (10, 275054), (13, 211580), (20, 137527), (26, 105790), (52, 52895), (65, 42316), (71, 38740), (130, 21158), (142, 19370), (149, 18460), (260, 10579), (284, 9685), (298, 9230), (355, 7748), (596, 4615), (710, 3874), (745, 3692), (923, 2980), (1420, 1937), (1490, 1846)]