480997780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{6701}}^1$

素因数の和:6844

約数の個数: 48

約数和(自身を含む): 1048246416

約数和(自身を除く): 567248636

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 3589, 6701, 7178, 13402, 14356, 17945, 26804, 33505, 35890, 67010, 71780, 134020, 247937, 495874, 649997, 991748, 1239685, 1299994, 2479370, 2599988, 3249985, 4958740, 6499970, 12999940, 24049889, 48099778, 96199556, 120249445, 240498890, 480997780]

約数ペア:

[(1, 480997780), (2, 240498890), (4, 120249445), (5, 96199556), (10, 48099778), (20, 24049889), (37, 12999940), (74, 6499970), (97, 4958740), (148, 3249985), (185, 2599988), (194, 2479370), (370, 1299994), (388, 1239685), (485, 991748), (740, 649997), (970, 495874), (1940, 247937), (3589, 134020), (6701, 71780), (7178, 67010), (13402, 35890), (14356, 33505), (17945, 26804)]