228280900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 515244800

約数和(自身を除く): 286963900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 211, 310, 349, 422, 620, 698, 775, 844, 1055, 1396, 1550, 1745, 2110, 3100, 3490, 4220, 5275, 6541, 6980, 8725, 10550, 10819, 13082, 17450, 21100, 21638, 26164, 32705, 34900, 43276, 54095, 65410, 73639, 108190, 130820, 147278, 163525, 216380, 270475, 294556, 327050, 368195, 540950, 654100, 736390, 1081900, 1472780, 1840975, 2282809, 3681950, 4565618, 7363900, 9131236, 11414045, 22828090, 45656180, 57070225, 114140450, 228280900]

約数ペア:

[(1, 228280900), (2, 114140450), (4, 57070225), (5, 45656180), (10, 22828090), (20, 11414045), (25, 9131236), (31, 7363900), (50, 4565618), (62, 3681950), (100, 2282809), (124, 1840975), (155, 1472780), (211, 1081900), (310, 736390), (349, 654100), (422, 540950), (620, 368195), (698, 327050), (775, 294556), (844, 270475), (1055, 216380), (1396, 163525), (1550, 147278), (1745, 130820), (2110, 108190), (3100, 73639), (3490, 65410), (4220, 54095), (5275, 43276), (6541, 34900), (6980, 32705), (8725, 26164), (10550, 21638), (10819, 21100), (13082, 17450)]