2008152460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 4414798080

約数和(自身を除く): 2406645620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 139, 157, 172, 214, 215, 278, 314, 428, 430, 535, 556, 628, 695, 785, 860, 1070, 1390, 1570, 2140, 2780, 3140, 4601, 5977, 6751, 9202, 11954, 13502, 14873, 16799, 18404, 21823, 23005, 23908, 27004, 29746, 29885, 33598, 33755, 43646, 46010, 59492, 59770, 67196, 67510, 74365, 83995, 87292, 92020, 109115, 119540, 135020, 148730, 167990, 218230, 297460, 335980, 436460, 639539, 722357, 938389, 1279078, 1444714, 1876778, 2335061, 2558156, 2889428, 3197695, 3611785, 3753556, 4670122, 4691945, 6395390, 7223570, 9340244, 9383890, 11675305, 12790780, 14447140, 18767780, 23350610, 46701220, 100407623, 200815246, 401630492, 502038115, 1004076230, 2008152460]

約数ペア:

[(1, 2008152460), (2, 1004076230), (4, 502038115), (5, 401630492), (10, 200815246), (20, 100407623), (43, 46701220), (86, 23350610), (107, 18767780), (139, 14447140), (157, 12790780), (172, 11675305), (214, 9383890), (215, 9340244), (278, 7223570), (314, 6395390), (428, 4691945), (430, 4670122), (535, 3753556), (556, 3611785), (628, 3197695), (695, 2889428), (785, 2558156), (860, 2335061), (1070, 1876778), (1390, 1444714), (1570, 1279078), (2140, 938389), (2780, 722357), (3140, 639539), (4601, 436460), (5977, 335980), (6751, 297460), (9202, 218230), (11954, 167990), (13502, 148730), (14873, 135020), (16799, 119540), (18404, 109115), (21823, 92020), (23005, 87292), (23908, 83995), (27004, 74365), (29746, 67510), (29885, 67196), (33598, 59770), (33755, 59492), (43646, 46010)]