209980260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9803}}^1$

素因数の和:9842

約数の個数: 144

約数和(自身を含む): 770829696

約数和(自身を除く): 560849436

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, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 9803, 10710, 19606, 21420, 29409, 39212, 49015, 58818, 68621, 88227, 98030, 117636, 137242, 147045, 166651, 176454, 196060, 205863, 274484, 294090, 333302, 343105, 352908, 411726, 441135, 499953, 588180, 617589, 666604, 686210, 823452, 833255, 882270, 999906, 1029315, 1166557, 1235178, 1372420, 1499859, 1666510, 1764540, 1999812, 2058630, 2333114, 2470356, 2499765, 2999718, 3087945, 3333020, 3499671, 4117260, 4666228, 4999530, 5832785, 5999436, 6175890, 6999342, 7499295, 9999060, 10499013, 11665570, 12351780, 13998684, 14998590, 17498355, 20998026, 23331140, 29997180, 34996710, 41996052, 52495065, 69993420, 104990130, 209980260]

約数ペア:

[(1, 209980260), (2, 104990130), (3, 69993420), (4, 52495065), (5, 41996052), (6, 34996710), (7, 29997180), (9, 23331140), (10, 20998026), (12, 17498355), (14, 14998590), (15, 13998684), (17, 12351780), (18, 11665570), (20, 10499013), (21, 9999060), (28, 7499295), (30, 6999342), (34, 6175890), (35, 5999436), (36, 5832785), (42, 4999530), (45, 4666228), (51, 4117260), (60, 3499671), (63, 3333020), (68, 3087945), (70, 2999718), (84, 2499765), (85, 2470356), (90, 2333114), (102, 2058630), (105, 1999812), (119, 1764540), (126, 1666510), (140, 1499859), (153, 1372420), (170, 1235178), (180, 1166557), (204, 1029315), (210, 999906), (238, 882270), (252, 833255), (255, 823452), (306, 686210), (315, 666604), (340, 617589), (357, 588180), (420, 499953), (476, 441135), (510, 411726), (595, 352908), (612, 343105), (630, 333302), (714, 294090), (765, 274484), (1020, 205863), (1071, 196060), (1190, 176454), (1260, 166651), (1428, 147045), (1530, 137242), (1785, 117636), (2142, 98030), (2380, 88227), (3060, 68621), (3570, 58818), (4284, 49015), (5355, 39212), (7140, 29409), (9803, 21420), (10710, 19606)]