89535460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 133998620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 107, 139, 140, 172, 214, 215, 278, 301, 428, 430, 535, 556, 602, 695, 749, 860, 973, 1070, 1204, 1390, 1498, 1505, 1946, 2140, 2780, 2996, 3010, 3745, 3892, 4601, 4865, 5977, 6020, 7490, 9202, 9730, 11954, 14873, 14980, 18404, 19460, 23005, 23908, 29746, 29885, 32207, 41839, 46010, 59492, 59770, 64414, 74365, 83678, 92020, 104111, 119540, 128828, 148730, 161035, 167356, 208222, 209195, 297460, 322070, 416444, 418390, 520555, 639539, 644140, 836780, 1041110, 1279078, 2082220, 2558156, 3197695, 4476773, 6395390, 8953546, 12790780, 17907092, 22383865, 44767730, 89535460]

約数ペア:

[(1, 89535460), (2, 44767730), (4, 22383865), (5, 17907092), (7, 12790780), (10, 8953546), (14, 6395390), (20, 4476773), (28, 3197695), (35, 2558156), (43, 2082220), (70, 1279078), (86, 1041110), (107, 836780), (139, 644140), (140, 639539), (172, 520555), (214, 418390), (215, 416444), (278, 322070), (301, 297460), (428, 209195), (430, 208222), (535, 167356), (556, 161035), (602, 148730), (695, 128828), (749, 119540), (860, 104111), (973, 92020), (1070, 83678), (1204, 74365), (1390, 64414), (1498, 59770), (1505, 59492), (1946, 46010), (2140, 41839), (2780, 32207), (2996, 29885), (3010, 29746), (3745, 23908), (3892, 23005), (4601, 19460), (4865, 18404), (5977, 14980), (6020, 14873), (7490, 11954), (9202, 9730)]