289304680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2927}}^1$

素因数の和:3298

約数の個数: 64

約数和(自身を含む): 746288640

約数和(自身を除く): 456983960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 1412, 1765, 2471, 2824, 2927, 3530, 4942, 5854, 7060, 9884, 11708, 12355, 14120, 14635, 19768, 20489, 23416, 24710, 29270, 40978, 49420, 58540, 81956, 98840, 102445, 117080, 163912, 204890, 409780, 819560, 1033231, 2066462, 4132924, 5166155, 7232617, 8265848, 10332310, 14465234, 20664620, 28930468, 36163085, 41329240, 57860936, 72326170, 144652340, 289304680]

約数ペア:

[(1, 289304680), (2, 144652340), (4, 72326170), (5, 57860936), (7, 41329240), (8, 36163085), (10, 28930468), (14, 20664620), (20, 14465234), (28, 10332310), (35, 8265848), (40, 7232617), (56, 5166155), (70, 4132924), (140, 2066462), (280, 1033231), (353, 819560), (706, 409780), (1412, 204890), (1765, 163912), (2471, 117080), (2824, 102445), (2927, 98840), (3530, 81956), (4942, 58540), (5854, 49420), (7060, 40978), (9884, 29270), (11708, 24710), (12355, 23416), (14120, 20489), (14635, 19768)]