2841390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 7474896

約数和(自身を除く): 4633506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 241, 262, 393, 482, 655, 723, 786, 1179, 1205, 1310, 1446, 1965, 2169, 2358, 2410, 3615, 3930, 4338, 5895, 7230, 10845, 11790, 21690, 31571, 63142, 94713, 157855, 189426, 284139, 315710, 473565, 568278, 947130, 1420695, 2841390]

約数ペア:

[(1, 2841390), (2, 1420695), (3, 947130), (5, 568278), (6, 473565), (9, 315710), (10, 284139), (15, 189426), (18, 157855), (30, 94713), (45, 63142), (90, 31571), (131, 21690), (241, 11790), (262, 10845), (393, 7230), (482, 5895), (655, 4338), (723, 3930), (786, 3615), (1179, 2410), (1205, 2358), (1310, 2169), (1446, 1965)]