2271431990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 4257316800

約数和(自身を除く): 1985884810

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 149, 298, 305, 335, 373, 610, 670, 745, 746, 1490, 1865, 3730, 4087, 8174, 9089, 9983, 18178, 19966, 20435, 22753, 24991, 40870, 45445, 45506, 49915, 49982, 55577, 90890, 99830, 111154, 113765, 124955, 227530, 249910, 277885, 555770, 608963, 1217926, 1524451, 3044815, 3048902, 3390197, 3723659, 6089630, 6780394, 7447318, 7622255, 15244510, 16950985, 18618295, 33901970, 37236590, 227143199, 454286398, 1135715995, 2271431990]

約数ペア:

[(1, 2271431990), (2, 1135715995), (5, 454286398), (10, 227143199), (61, 37236590), (67, 33901970), (122, 18618295), (134, 16950985), (149, 15244510), (298, 7622255), (305, 7447318), (335, 6780394), (373, 6089630), (610, 3723659), (670, 3390197), (745, 3048902), (746, 3044815), (1490, 1524451), (1865, 1217926), (3730, 608963), (4087, 555770), (8174, 277885), (9089, 249910), (9983, 227530), (18178, 124955), (19966, 113765), (20435, 111154), (22753, 99830), (24991, 90890), (40870, 55577), (45445, 49982), (45506, 49915)]