28713510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 92192256

約数和(自身を除く): 63478746

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 255, 294, 306, 315, 357, 383, 441, 490, 510, 595, 630, 714, 735, 765, 766, 833, 882, 1071, 1149, 1190, 1470, 1530, 1666, 1785, 1915, 2142, 2205, 2298, 2499, 2681, 3447, 3570, 3830, 4165, 4410, 4998, 5355, 5362, 5745, 6511, 6894, 7497, 8043, 8330, 10710, 11490, 12495, 13022, 13405, 14994, 16086, 17235, 18767, 19533, 24129, 24990, 26810, 32555, 34470, 37485, 37534, 39066, 40215, 45577, 48258, 56301, 58599, 65110, 74970, 80430, 91154, 93835, 97665, 112602, 117198, 120645, 136731, 168903, 187670, 195330, 227885, 241290, 273462, 281505, 292995, 319039, 337806, 410193, 455770, 563010, 585990, 638078, 683655, 820386, 844515, 957117, 1367310, 1595195, 1689030, 1914234, 2050965, 2871351, 3190390, 4101930, 4785585, 5742702, 9571170, 14356755, 28713510]

約数ペア:

[(1, 28713510), (2, 14356755), (3, 9571170), (5, 5742702), (6, 4785585), (7, 4101930), (9, 3190390), (10, 2871351), (14, 2050965), (15, 1914234), (17, 1689030), (18, 1595195), (21, 1367310), (30, 957117), (34, 844515), (35, 820386), (42, 683655), (45, 638078), (49, 585990), (51, 563010), (63, 455770), (70, 410193), (85, 337806), (90, 319039), (98, 292995), (102, 281505), (105, 273462), (119, 241290), (126, 227885), (147, 195330), (153, 187670), (170, 168903), (210, 136731), (238, 120645), (245, 117198), (255, 112602), (294, 97665), (306, 93835), (315, 91154), (357, 80430), (383, 74970), (441, 65110), (490, 58599), (510, 56301), (595, 48258), (630, 45577), (714, 40215), (735, 39066), (765, 37534), (766, 37485), (833, 34470), (882, 32555), (1071, 26810), (1149, 24990), (1190, 24129), (1470, 19533), (1530, 18767), (1666, 17235), (1785, 16086), (1915, 14994), (2142, 13405), (2205, 13022), (2298, 12495), (2499, 11490), (2681, 10710), (3447, 8330), (3570, 8043), (3830, 7497), (4165, 6894), (4410, 6511), (4998, 5745), (5355, 5362)]