28227140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 63839664

約数和(自身を除く): 35612524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1361, 2074, 2722, 4148, 5185, 5444, 6805, 10370, 13610, 20740, 23137, 27220, 46274, 83021, 92548, 115685, 166042, 231370, 332084, 415105, 462740, 830210, 1411357, 1660420, 2822714, 5645428, 7056785, 14113570, 28227140]

約数ペア:

[(1, 28227140), (2, 14113570), (4, 7056785), (5, 5645428), (10, 2822714), (17, 1660420), (20, 1411357), (34, 830210), (61, 462740), (68, 415105), (85, 332084), (122, 231370), (170, 166042), (244, 115685), (305, 92548), (340, 83021), (610, 46274), (1037, 27220), (1220, 23137), (1361, 20740), (2074, 13610), (2722, 10370), (4148, 6805), (5185, 5444)]