1284157210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{971}}^1\times {\mathrm{2699}}^1$

素因数の和:3691

約数の個数: 48

約数和(自身を含む): 2692634400

約数和(自身を除く): 1408477190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 971, 1942, 2699, 4855, 5398, 6797, 9710, 13495, 13594, 18893, 26990, 33985, 37786, 47579, 67970, 94465, 95158, 132251, 188930, 237895, 264502, 475790, 661255, 1322510, 2620729, 5241458, 13103645, 18345103, 26207290, 36690206, 91725515, 128415721, 183451030, 256831442, 642078605, 1284157210]

約数ペア:

[(1, 1284157210), (2, 642078605), (5, 256831442), (7, 183451030), (10, 128415721), (14, 91725515), (35, 36690206), (49, 26207290), (70, 18345103), (98, 13103645), (245, 5241458), (490, 2620729), (971, 1322510), (1942, 661255), (2699, 475790), (4855, 264502), (5398, 237895), (6797, 188930), (9710, 132251), (13495, 95158), (13594, 94465), (18893, 67970), (26990, 47579), (33985, 37786)]