144120400

素因数分解:

$2^4\times 5^2\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1220

約数の個数: 60

約数和(自身を含む): 347405344

約数和(自身を除く): 203284944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 571, 631, 1142, 1262, 2284, 2524, 2855, 3155, 4568, 5048, 5710, 6310, 9136, 10096, 11420, 12620, 14275, 15775, 22840, 25240, 28550, 31550, 45680, 50480, 57100, 63100, 114200, 126200, 228400, 252400, 360301, 720602, 1441204, 1801505, 2882408, 3603010, 5764816, 7206020, 9007525, 14412040, 18015050, 28824080, 36030100, 72060200, 144120400]

約数ペア:

[(1, 144120400), (2, 72060200), (4, 36030100), (5, 28824080), (8, 18015050), (10, 14412040), (16, 9007525), (20, 7206020), (25, 5764816), (40, 3603010), (50, 2882408), (80, 1801505), (100, 1441204), (200, 720602), (400, 360301), (571, 252400), (631, 228400), (1142, 126200), (1262, 114200), (2284, 63100), (2524, 57100), (2855, 50480), (3155, 45680), (4568, 31550), (5048, 28550), (5710, 25240), (6310, 22840), (9136, 15775), (10096, 14275), (11420, 12620)]