76942040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{971}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 198754560

約数和(自身を除く): 121812520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 971, 1132, 1415, 1942, 1981, 2264, 2830, 3884, 3962, 4855, 5660, 6797, 7768, 7924, 9710, 9905, 11320, 13594, 15848, 19420, 19810, 27188, 33985, 38840, 39620, 54376, 67970, 79240, 135940, 271880, 274793, 549586, 1099172, 1373965, 1923551, 2198344, 2747930, 3847102, 5495860, 7694204, 9617755, 10991720, 15388408, 19235510, 38471020, 76942040]

約数ペア:

[(1, 76942040), (2, 38471020), (4, 19235510), (5, 15388408), (7, 10991720), (8, 9617755), (10, 7694204), (14, 5495860), (20, 3847102), (28, 2747930), (35, 2198344), (40, 1923551), (56, 1373965), (70, 1099172), (140, 549586), (280, 274793), (283, 271880), (566, 135940), (971, 79240), (1132, 67970), (1415, 54376), (1942, 39620), (1981, 38840), (2264, 33985), (2830, 27188), (3884, 19810), (3962, 19420), (4855, 15848), (5660, 13594), (6797, 11320), (7768, 9905), (7924, 9710)]