197428940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 431784864

約数和(自身を除く): 234355924

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 3947, 5002, 7894, 10004, 12505, 15788, 19735, 25010, 39470, 50020, 78940, 161827, 240767, 323654, 481534, 647308, 809135, 963068, 1203835, 1618270, 2407670, 3236540, 4815340, 9871447, 19742894, 39485788, 49357235, 98714470, 197428940]

約数ペア:

[(1, 197428940), (2, 98714470), (4, 49357235), (5, 39485788), (10, 19742894), (20, 9871447), (41, 4815340), (61, 3236540), (82, 2407670), (122, 1618270), (164, 1203835), (205, 963068), (244, 809135), (305, 647308), (410, 481534), (610, 323654), (820, 240767), (1220, 161827), (2501, 78940), (3947, 50020), (5002, 39470), (7894, 25010), (10004, 19735), (12505, 15788)]