1018554820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{28789}}^1$

素因数の和:28888

約数の個数: 48

約数和(自身を含む): 2249074800

約数和(自身を除く): 1230519980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 28789, 35380, 57578, 115156, 143945, 287890, 575780, 834881, 1669762, 1756129, 3339524, 3512258, 4174405, 7024516, 8348810, 8780645, 16697620, 17561290, 35122580, 50927741, 101855482, 203710964, 254638705, 509277410, 1018554820]

約数ペア:

[(1, 1018554820), (2, 509277410), (4, 254638705), (5, 203710964), (10, 101855482), (20, 50927741), (29, 35122580), (58, 17561290), (61, 16697620), (116, 8780645), (122, 8348810), (145, 7024516), (244, 4174405), (290, 3512258), (305, 3339524), (580, 1756129), (610, 1669762), (1220, 834881), (1769, 575780), (3538, 287890), (7076, 143945), (8845, 115156), (17690, 57578), (28789, 35380)]