166092020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 358050000

約数和(自身を除く): 191957980

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1220, 1249, 2180, 2498, 4996, 6245, 6649, 12490, 13298, 24980, 26596, 33245, 66490, 76189, 132980, 136141, 152378, 272282, 304756, 380945, 544564, 680705, 761890, 1361410, 1523780, 2722820, 8304601, 16609202, 33218404, 41523005, 83046010, 166092020]

約数ペア:

[(1, 166092020), (2, 83046010), (4, 41523005), (5, 33218404), (10, 16609202), (20, 8304601), (61, 2722820), (109, 1523780), (122, 1361410), (218, 761890), (244, 680705), (305, 544564), (436, 380945), (545, 304756), (610, 272282), (1090, 152378), (1220, 136141), (1249, 132980), (2180, 76189), (2498, 66490), (4996, 33245), (6245, 26596), (6649, 24980), (12490, 13298)]