315069020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{16921}}^1$

素因数の和:16963

約数の個数: 72

約数和(自身を含む): 810225360

約数和(自身を除く): 495156340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 16921, 18620, 33842, 67684, 84605, 118447, 169210, 236894, 321499, 338420, 473788, 592235, 642998, 829129, 1184470, 1285996, 1607495, 1658258, 2250493, 2368940, 3214990, 3316516, 4145645, 4500986, 6429980, 8291290, 9001972, 11252465, 15753451, 16582580, 22504930, 31506902, 45009860, 63013804, 78767255, 157534510, 315069020]

約数ペア:

[(1, 315069020), (2, 157534510), (4, 78767255), (5, 63013804), (7, 45009860), (10, 31506902), (14, 22504930), (19, 16582580), (20, 15753451), (28, 11252465), (35, 9001972), (38, 8291290), (49, 6429980), (70, 4500986), (76, 4145645), (95, 3316516), (98, 3214990), (133, 2368940), (140, 2250493), (190, 1658258), (196, 1607495), (245, 1285996), (266, 1184470), (380, 829129), (490, 642998), (532, 592235), (665, 473788), (931, 338420), (980, 321499), (1330, 236894), (1862, 169210), (2660, 118447), (3724, 84605), (4655, 67684), (9310, 33842), (16921, 18620)]