90061900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 208111680

約数和(自身を除く): 118049780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 190, 214, 380, 428, 443, 475, 535, 886, 950, 1070, 1772, 1900, 2033, 2140, 2215, 2675, 4066, 4430, 5350, 8132, 8417, 8860, 10165, 10700, 11075, 16834, 20330, 22150, 33668, 40660, 42085, 44300, 47401, 50825, 84170, 94802, 101650, 168340, 189604, 203300, 210425, 237005, 420850, 474010, 841700, 900619, 948020, 1185025, 1801238, 2370050, 3602476, 4503095, 4740100, 9006190, 18012380, 22515475, 45030950, 90061900]

約数ペア:

[(1, 90061900), (2, 45030950), (4, 22515475), (5, 18012380), (10, 9006190), (19, 4740100), (20, 4503095), (25, 3602476), (38, 2370050), (50, 1801238), (76, 1185025), (95, 948020), (100, 900619), (107, 841700), (190, 474010), (214, 420850), (380, 237005), (428, 210425), (443, 203300), (475, 189604), (535, 168340), (886, 101650), (950, 94802), (1070, 84170), (1772, 50825), (1900, 47401), (2033, 44300), (2140, 42085), (2215, 40660), (2675, 33668), (4066, 22150), (4430, 20330), (5350, 16834), (8132, 11075), (8417, 10700), (8860, 10165)]