91616420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1301}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 220485888

約数和(自身を除く): 128869468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 1301, 2012, 2515, 2602, 3521, 5030, 5204, 6505, 7042, 9107, 10060, 13010, 14084, 17605, 18214, 26020, 35210, 36428, 45535, 70420, 91070, 182140, 654403, 1308806, 2617612, 3272015, 4580821, 6544030, 9161642, 13088060, 18323284, 22904105, 45808210, 91616420]

約数ペア:

[(1, 91616420), (2, 45808210), (4, 22904105), (5, 18323284), (7, 13088060), (10, 9161642), (14, 6544030), (20, 4580821), (28, 3272015), (35, 2617612), (70, 1308806), (140, 654403), (503, 182140), (1006, 91070), (1301, 70420), (2012, 45535), (2515, 36428), (2602, 35210), (3521, 26020), (5030, 18214), (5204, 17605), (6505, 14084), (7042, 13010), (9107, 10060)]