2219180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 5062176

約数和(自身を除く): 2842996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 107, 122, 170, 214, 244, 305, 340, 428, 535, 610, 1037, 1070, 1220, 1819, 2074, 2140, 3638, 4148, 5185, 6527, 7276, 9095, 10370, 13054, 18190, 20740, 26108, 32635, 36380, 65270, 110959, 130540, 221918, 443836, 554795, 1109590, 2219180]

約数ペア:

[(1, 2219180), (2, 1109590), (4, 554795), (5, 443836), (10, 221918), (17, 130540), (20, 110959), (34, 65270), (61, 36380), (68, 32635), (85, 26108), (107, 20740), (122, 18190), (170, 13054), (214, 10370), (244, 9095), (305, 7276), (340, 6527), (428, 5185), (535, 4148), (610, 3638), (1037, 2140), (1070, 2074), (1220, 1819)]