289349860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 692375040

約数和(自身を除く): 403025180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 47, 68, 76, 85, 94, 95, 170, 188, 190, 235, 323, 340, 380, 470, 646, 799, 893, 940, 953, 1292, 1598, 1615, 1786, 1906, 3196, 3230, 3572, 3812, 3995, 4465, 4765, 6460, 7990, 8930, 9530, 15181, 15980, 16201, 17860, 18107, 19060, 30362, 32402, 36214, 44791, 60724, 64804, 72428, 75905, 81005, 89582, 90535, 151810, 162010, 179164, 181070, 223955, 303620, 307819, 324020, 362140, 447910, 615638, 761447, 851029, 895820, 1231276, 1522894, 1539095, 1702058, 3045788, 3078190, 3404116, 3807235, 4255145, 6156380, 7614470, 8510290, 14467493, 15228940, 17020580, 28934986, 57869972, 72337465, 144674930, 289349860]

約数ペア:

[(1, 289349860), (2, 144674930), (4, 72337465), (5, 57869972), (10, 28934986), (17, 17020580), (19, 15228940), (20, 14467493), (34, 8510290), (38, 7614470), (47, 6156380), (68, 4255145), (76, 3807235), (85, 3404116), (94, 3078190), (95, 3045788), (170, 1702058), (188, 1539095), (190, 1522894), (235, 1231276), (323, 895820), (340, 851029), (380, 761447), (470, 615638), (646, 447910), (799, 362140), (893, 324020), (940, 307819), (953, 303620), (1292, 223955), (1598, 181070), (1615, 179164), (1786, 162010), (1906, 151810), (3196, 90535), (3230, 89582), (3572, 81005), (3812, 75905), (3995, 72428), (4465, 64804), (4765, 60724), (6460, 44791), (7990, 36214), (8930, 32402), (9530, 30362), (15181, 19060), (15980, 18107), (16201, 17860)]