2941240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 6967800

約数和(自身を除く): 4026560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 529, 556, 695, 920, 1058, 1112, 1390, 2116, 2645, 2780, 3197, 4232, 5290, 5560, 6394, 10580, 12788, 15985, 21160, 25576, 31970, 63940, 73531, 127880, 147062, 294124, 367655, 588248, 735310, 1470620, 2941240]

約数ペア:

[(1, 2941240), (2, 1470620), (4, 735310), (5, 588248), (8, 367655), (10, 294124), (20, 147062), (23, 127880), (40, 73531), (46, 63940), (92, 31970), (115, 25576), (139, 21160), (184, 15985), (230, 12788), (278, 10580), (460, 6394), (529, 5560), (556, 5290), (695, 4232), (920, 3197), (1058, 2780), (1112, 2645), (1390, 2116)]