2018367980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 4267214784

約数和(自身を除く): 2248846804

約数列:

[1, 2, 4, 5, 10, 20, 313, 503, 626, 641, 1006, 1252, 1282, 1565, 2012, 2515, 2564, 3130, 3205, 5030, 6260, 6410, 10060, 12820, 157439, 200633, 314878, 322423, 401266, 629756, 644846, 787195, 802532, 1003165, 1289692, 1574390, 1612115, 2006330, 3148780, 3224230, 4012660, 6448460, 100918399, 201836798, 403673596, 504591995, 1009183990, 2018367980]

約数ペア:

[(1, 2018367980), (2, 1009183990), (4, 504591995), (5, 403673596), (10, 201836798), (20, 100918399), (313, 6448460), (503, 4012660), (626, 3224230), (641, 3148780), (1006, 2006330), (1252, 1612115), (1282, 1574390), (1565, 1289692), (2012, 1003165), (2515, 802532), (2564, 787195), (3130, 644846), (3205, 629756), (5030, 401266), (6260, 322423), (6410, 314878), (10060, 200633), (12820, 157439)]