131272900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 108

約数和(自身を含む): 330169840

約数和(自身を除く): 198896940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 121, 190, 209, 220, 242, 275, 380, 418, 475, 484, 550, 571, 605, 836, 950, 1045, 1100, 1142, 1210, 1900, 2090, 2284, 2299, 2420, 2855, 3025, 4180, 4598, 5225, 5710, 6050, 6281, 9196, 10450, 10849, 11420, 11495, 12100, 12562, 14275, 20900, 21698, 22990, 25124, 28550, 31405, 43396, 45980, 54245, 57100, 57475, 62810, 69091, 108490, 114950, 119339, 125620, 138182, 157025, 216980, 229900, 238678, 271225, 276364, 314050, 345455, 477356, 542450, 596695, 628100, 690910, 1084900, 1193390, 1312729, 1381820, 1727275, 2386780, 2625458, 2983475, 3454550, 5250916, 5966950, 6563645, 6909100, 11933900, 13127290, 26254580, 32818225, 65636450, 131272900]

約数ペア:

[(1, 131272900), (2, 65636450), (4, 32818225), (5, 26254580), (10, 13127290), (11, 11933900), (19, 6909100), (20, 6563645), (22, 5966950), (25, 5250916), (38, 3454550), (44, 2983475), (50, 2625458), (55, 2386780), (76, 1727275), (95, 1381820), (100, 1312729), (110, 1193390), (121, 1084900), (190, 690910), (209, 628100), (220, 596695), (242, 542450), (275, 477356), (380, 345455), (418, 314050), (475, 276364), (484, 271225), (550, 238678), (571, 229900), (605, 216980), (836, 157025), (950, 138182), (1045, 125620), (1100, 119339), (1142, 114950), (1210, 108490), (1900, 69091), (2090, 62810), (2284, 57475), (2299, 57100), (2420, 54245), (2855, 45980), (3025, 43396), (4180, 31405), (4598, 28550), (5225, 25124), (5710, 22990), (6050, 21698), (6281, 20900), (9196, 14275), (10450, 12562), (10849, 12100), (11420, 11495)]