28991970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2744

約数の個数: 96

約数和(自身を含む): 91248768

約数和(自身を除く): 62256798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 2707, 3570, 5355, 5414, 8121, 10710, 13535, 16242, 18949, 24363, 27070, 37898, 40605, 46019, 48726, 56847, 81210, 92038, 94745, 113694, 121815, 138057, 170541, 189490, 230095, 243630, 276114, 284235, 322133, 341082, 414171, 460190, 568470, 644266, 690285, 828342, 852705, 966399, 1380570, 1610665, 1705410, 1932798, 2070855, 2899197, 3221330, 4141710, 4831995, 5798394, 9663990, 14495985, 28991970]

約数ペア:

[(1, 28991970), (2, 14495985), (3, 9663990), (5, 5798394), (6, 4831995), (7, 4141710), (9, 3221330), (10, 2899197), (14, 2070855), (15, 1932798), (17, 1705410), (18, 1610665), (21, 1380570), (30, 966399), (34, 852705), (35, 828342), (42, 690285), (45, 644266), (51, 568470), (63, 460190), (70, 414171), (85, 341082), (90, 322133), (102, 284235), (105, 276114), (119, 243630), (126, 230095), (153, 189490), (170, 170541), (210, 138057), (238, 121815), (255, 113694), (306, 94745), (315, 92038), (357, 81210), (510, 56847), (595, 48726), (630, 46019), (714, 40605), (765, 37898), (1071, 27070), (1190, 24363), (1530, 18949), (1785, 16242), (2142, 13535), (2707, 10710), (3570, 8121), (5355, 5414)]