28942620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 93477888

約数和(自身を除く): 64535268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 411, 420, 503, 548, 685, 822, 959, 1006, 1370, 1509, 1644, 1918, 2012, 2055, 2515, 2740, 2877, 3018, 3521, 3836, 4110, 4795, 5030, 5754, 6036, 7042, 7545, 8220, 9590, 10060, 10563, 11508, 14084, 14385, 15090, 17605, 19180, 21126, 28770, 30180, 35210, 42252, 52815, 57540, 68911, 70420, 105630, 137822, 206733, 211260, 275644, 344555, 413466, 482377, 689110, 826932, 964754, 1033665, 1378220, 1447131, 1929508, 2067330, 2411885, 2894262, 4134660, 4823770, 5788524, 7235655, 9647540, 14471310, 28942620]

約数ペア:

[(1, 28942620), (2, 14471310), (3, 9647540), (4, 7235655), (5, 5788524), (6, 4823770), (7, 4134660), (10, 2894262), (12, 2411885), (14, 2067330), (15, 1929508), (20, 1447131), (21, 1378220), (28, 1033665), (30, 964754), (35, 826932), (42, 689110), (60, 482377), (70, 413466), (84, 344555), (105, 275644), (137, 211260), (140, 206733), (210, 137822), (274, 105630), (411, 70420), (420, 68911), (503, 57540), (548, 52815), (685, 42252), (822, 35210), (959, 30180), (1006, 28770), (1370, 21126), (1509, 19180), (1644, 17605), (1918, 15090), (2012, 14385), (2055, 14084), (2515, 11508), (2740, 10563), (2877, 10060), (3018, 9590), (3521, 8220), (3836, 7545), (4110, 7042), (4795, 6036), (5030, 5754)]