68579020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 153171648

約数和(自身を除く): 84592628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 401, 503, 802, 1006, 1604, 2005, 2012, 2515, 4010, 5030, 6817, 8020, 8551, 10060, 13634, 17102, 27268, 34085, 34204, 42755, 68170, 85510, 136340, 171020, 201703, 403406, 806812, 1008515, 2017030, 3428951, 4034060, 6857902, 13715804, 17144755, 34289510, 68579020]

約数ペア:

[(1, 68579020), (2, 34289510), (4, 17144755), (5, 13715804), (10, 6857902), (17, 4034060), (20, 3428951), (34, 2017030), (68, 1008515), (85, 806812), (170, 403406), (340, 201703), (401, 171020), (503, 136340), (802, 85510), (1006, 68170), (1604, 42755), (2005, 34204), (2012, 34085), (2515, 27268), (4010, 17102), (5030, 13634), (6817, 10060), (8020, 8551)]