447280900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21401}}^1$

素因数の和:21445

約数の個数: 72

約数和(自身を含む): 1114616160

約数和(自身を除く): 667335260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 21401, 42802, 85604, 107005, 214010, 235411, 406619, 428020, 470822, 535025, 813238, 941644, 1070050, 1177055, 1626476, 2033095, 2140100, 2354110, 4066190, 4472809, 4708220, 5885275, 8132380, 8945618, 10165475, 11770550, 17891236, 20330950, 22364045, 23541100, 40661900, 44728090, 89456180, 111820225, 223640450, 447280900]

約数ペア:

[(1, 447280900), (2, 223640450), (4, 111820225), (5, 89456180), (10, 44728090), (11, 40661900), (19, 23541100), (20, 22364045), (22, 20330950), (25, 17891236), (38, 11770550), (44, 10165475), (50, 8945618), (55, 8132380), (76, 5885275), (95, 4708220), (100, 4472809), (110, 4066190), (190, 2354110), (209, 2140100), (220, 2033095), (275, 1626476), (380, 1177055), (418, 1070050), (475, 941644), (550, 813238), (836, 535025), (950, 470822), (1045, 428020), (1100, 406619), (1900, 235411), (2090, 214010), (4180, 107005), (5225, 85604), (10450, 42802), (20900, 21401)]