490453740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3317

約数の個数: 216

約数和(自身を含む): 1832961312

約数和(自身を除く): 1342507572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1071, 1190, 1260, 1428, 1470, 1530, 1666, 1764, 1785, 2142, 2205, 2380, 2499, 2940, 3060, 3271, 3332, 3570, 4165, 4284, 4410, 4998, 5355, 6542, 7140, 7497, 8330, 8820, 9813, 9996, 10710, 12495, 13084, 14994, 16355, 16660, 19626, 21420, 22897, 24990, 29439, 29988, 32710, 37485, 39252, 45794, 49065, 49980, 55607, 58878, 65420, 68691, 74970, 91588, 98130, 111214, 114485, 117756, 137382, 147195, 149940, 160279, 166821, 196260, 206073, 222428, 228970, 274764, 278035, 294390, 320558, 333642, 343455, 389249, 412146, 457940, 480837, 500463, 556070, 588780, 641116, 667284, 686910, 778498, 801395, 824292, 834105, 961674, 1000926, 1030365, 1112140, 1167747, 1373820, 1442511, 1556996, 1602790, 1668210, 1923348, 1946245, 2001852, 2060730, 2335494, 2404185, 2502315, 2724743, 2885022, 3205580, 3336420, 3503241, 3892490, 4121460, 4670988, 4808370, 5004630, 5449486, 5770044, 5838735, 7006482, 7212555, 7784980, 8174229, 9616740, 10009260, 10898972, 11677470, 13623715, 14012964, 14425110, 16348458, 17516205, 23354940, 24522687, 27247430, 28850220, 32696916, 35032410, 40871145, 49045374, 54494860, 70064820, 81742290, 98090748, 122613435, 163484580, 245226870, 490453740]

約数ペア:

[(1, 490453740), (2, 245226870), (3, 163484580), (4, 122613435), (5, 98090748), (6, 81742290), (7, 70064820), (9, 54494860), (10, 49045374), (12, 40871145), (14, 35032410), (15, 32696916), (17, 28850220), (18, 27247430), (20, 24522687), (21, 23354940), (28, 17516205), (30, 16348458), (34, 14425110), (35, 14012964), (36, 13623715), (42, 11677470), (45, 10898972), (49, 10009260), (51, 9616740), (60, 8174229), (63, 7784980), (68, 7212555), (70, 7006482), (84, 5838735), (85, 5770044), (90, 5449486), (98, 5004630), (102, 4808370), (105, 4670988), (119, 4121460), (126, 3892490), (140, 3503241), (147, 3336420), (153, 3205580), (170, 2885022), (180, 2724743), (196, 2502315), (204, 2404185), (210, 2335494), (238, 2060730), (245, 2001852), (252, 1946245), (255, 1923348), (294, 1668210), (306, 1602790), (315, 1556996), (340, 1442511), (357, 1373820), (420, 1167747), (441, 1112140), (476, 1030365), (490, 1000926), (510, 961674), (588, 834105), (595, 824292), (612, 801395), (630, 778498), (714, 686910), (735, 667284), (765, 641116), (833, 588780), (882, 556070), (980, 500463), (1020, 480837), (1071, 457940), (1190, 412146), (1260, 389249), (1428, 343455), (1470, 333642), (1530, 320558), (1666, 294390), (1764, 278035), (1785, 274764), (2142, 228970), (2205, 222428), (2380, 206073), (2499, 196260), (2940, 166821), (3060, 160279), (3271, 149940), (3332, 147195), (3570, 137382), (4165, 117756), (4284, 114485), (4410, 111214), (4998, 98130), (5355, 91588), (6542, 74970), (7140, 68691), (7497, 65420), (8330, 58878), (8820, 55607), (9813, 49980), (9996, 49065), (10710, 45794), (12495, 39252), (13084, 37485), (14994, 32710), (16355, 29988), (16660, 29439), (19626, 24990), (21420, 22897)]