84043820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 206841600

約数和(自身を除く): 122797780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 449, 490, 764, 898, 955, 980, 1337, 1796, 1910, 2245, 2674, 3143, 3820, 4490, 5348, 6286, 6685, 8980, 9359, 12572, 13370, 15715, 18718, 22001, 26740, 31430, 37436, 44002, 46795, 62860, 85759, 88004, 93590, 110005, 171518, 187180, 220010, 343036, 428795, 440020, 600313, 857590, 1200626, 1715180, 2401252, 3001565, 4202191, 6003130, 8404382, 12006260, 16808764, 21010955, 42021910, 84043820]

約数ペア:

[(1, 84043820), (2, 42021910), (4, 21010955), (5, 16808764), (7, 12006260), (10, 8404382), (14, 6003130), (20, 4202191), (28, 3001565), (35, 2401252), (49, 1715180), (70, 1200626), (98, 857590), (140, 600313), (191, 440020), (196, 428795), (245, 343036), (382, 220010), (449, 187180), (490, 171518), (764, 110005), (898, 93590), (955, 88004), (980, 85759), (1337, 62860), (1796, 46795), (1910, 44002), (2245, 37436), (2674, 31430), (3143, 26740), (3820, 22001), (4490, 18718), (5348, 15715), (6286, 13370), (6685, 12572), (8980, 9359)]