7309940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 9624460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 223, 298, 446, 596, 745, 892, 1115, 1490, 1639, 2230, 2453, 2980, 3278, 4460, 4906, 6556, 8195, 9812, 12265, 16390, 24530, 32780, 33227, 49060, 66454, 132908, 166135, 332270, 365497, 664540, 730994, 1461988, 1827485, 3654970, 7309940]

約数ペア:

[(1, 7309940), (2, 3654970), (4, 1827485), (5, 1461988), (10, 730994), (11, 664540), (20, 365497), (22, 332270), (44, 166135), (55, 132908), (110, 66454), (149, 49060), (220, 33227), (223, 32780), (298, 24530), (446, 16390), (596, 12265), (745, 9812), (892, 8195), (1115, 6556), (1490, 4906), (1639, 4460), (2230, 3278), (2453, 2980)]