199816980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1670

約数の個数: 144

約数和(自身を含む): 651551040

約数和(自身を除く): 451734060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 170, 187, 204, 220, 242, 255, 330, 340, 363, 374, 484, 510, 561, 605, 660, 726, 748, 935, 1020, 1122, 1210, 1452, 1619, 1815, 1870, 2057, 2244, 2420, 2805, 3238, 3630, 3740, 4114, 4857, 5610, 6171, 6476, 7260, 8095, 8228, 9714, 10285, 11220, 12342, 16190, 17809, 19428, 20570, 24285, 24684, 27523, 30855, 32380, 35618, 41140, 48570, 53427, 55046, 61710, 71236, 82569, 89045, 97140, 106854, 110092, 123420, 137615, 165138, 178090, 195899, 213708, 267135, 275230, 302753, 330276, 356180, 391798, 412845, 534270, 550460, 587697, 605506, 783596, 825690, 908259, 979495, 1068540, 1175394, 1211012, 1513765, 1651380, 1816518, 1958990, 2350788, 2938485, 3027530, 3330283, 3633036, 3917980, 4541295, 5876970, 6055060, 6660566, 9082590, 9990849, 11753940, 13321132, 16651415, 18165180, 19981698, 33302830, 39963396, 49954245, 66605660, 99908490, 199816980]

約数ペア:

[(1, 199816980), (2, 99908490), (3, 66605660), (4, 49954245), (5, 39963396), (6, 33302830), (10, 19981698), (11, 18165180), (12, 16651415), (15, 13321132), (17, 11753940), (20, 9990849), (22, 9082590), (30, 6660566), (33, 6055060), (34, 5876970), (44, 4541295), (51, 3917980), (55, 3633036), (60, 3330283), (66, 3027530), (68, 2938485), (85, 2350788), (102, 1958990), (110, 1816518), (121, 1651380), (132, 1513765), (165, 1211012), (170, 1175394), (187, 1068540), (204, 979495), (220, 908259), (242, 825690), (255, 783596), (330, 605506), (340, 587697), (363, 550460), (374, 534270), (484, 412845), (510, 391798), (561, 356180), (605, 330276), (660, 302753), (726, 275230), (748, 267135), (935, 213708), (1020, 195899), (1122, 178090), (1210, 165138), (1452, 137615), (1619, 123420), (1815, 110092), (1870, 106854), (2057, 97140), (2244, 89045), (2420, 82569), (2805, 71236), (3238, 61710), (3630, 55046), (3740, 53427), (4114, 48570), (4857, 41140), (5610, 35618), (6171, 32380), (6476, 30855), (7260, 27523), (8095, 24684), (8228, 24285), (9714, 20570), (10285, 19428), (11220, 17809), (12342, 16190)]