30351020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 73156608

約数和(自身を除く): 42805588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 503, 862, 1006, 1724, 2012, 2155, 2515, 3017, 3521, 4310, 5030, 6034, 7042, 8620, 10060, 12068, 14084, 15085, 17605, 30170, 35210, 60340, 70420, 216793, 433586, 867172, 1083965, 1517551, 2167930, 3035102, 4335860, 6070204, 7587755, 15175510, 30351020]

約数ペア:

[(1, 30351020), (2, 15175510), (4, 7587755), (5, 6070204), (7, 4335860), (10, 3035102), (14, 2167930), (20, 1517551), (28, 1083965), (35, 867172), (70, 433586), (140, 216793), (431, 70420), (503, 60340), (862, 35210), (1006, 30170), (1724, 17605), (2012, 15085), (2155, 14084), (2515, 12068), (3017, 10060), (3521, 8620), (4310, 7042), (5030, 6034)]