64202740

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 158118912

約数和(自身を除く): 93916172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 343, 382, 490, 686, 764, 955, 980, 1337, 1372, 1715, 1910, 2401, 2674, 3430, 3820, 4802, 5348, 6685, 6860, 9359, 9604, 12005, 13370, 16807, 18718, 24010, 26740, 33614, 37436, 46795, 48020, 65513, 67228, 84035, 93590, 131026, 168070, 187180, 262052, 327565, 336140, 458591, 655130, 917182, 1310260, 1834364, 2292955, 3210137, 4585910, 6420274, 9171820, 12840548, 16050685, 32101370, 64202740]

約数ペア:

[(1, 64202740), (2, 32101370), (4, 16050685), (5, 12840548), (7, 9171820), (10, 6420274), (14, 4585910), (20, 3210137), (28, 2292955), (35, 1834364), (49, 1310260), (70, 917182), (98, 655130), (140, 458591), (191, 336140), (196, 327565), (245, 262052), (343, 187180), (382, 168070), (490, 131026), (686, 93590), (764, 84035), (955, 67228), (980, 65513), (1337, 48020), (1372, 46795), (1715, 37436), (1910, 33614), (2401, 26740), (2674, 24010), (3430, 18718), (3820, 16807), (4802, 13370), (5348, 12005), (6685, 9604), (6860, 9359)]