204060860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9839}}^1$

素因数の和:9926

約数の個数: 48

約数和(自身を含む): 461220480

約数和(自身を除く): 257159620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 9839, 10370, 19678, 20740, 39356, 49195, 98390, 167263, 196780, 334526, 600179, 669052, 836315, 1200358, 1672630, 2400716, 3000895, 3345260, 6001790, 10203043, 12003580, 20406086, 40812172, 51015215, 102030430, 204060860]

約数ペア:

[(1, 204060860), (2, 102030430), (4, 51015215), (5, 40812172), (10, 20406086), (17, 12003580), (20, 10203043), (34, 6001790), (61, 3345260), (68, 3000895), (85, 2400716), (122, 1672630), (170, 1200358), (244, 836315), (305, 669052), (340, 600179), (610, 334526), (1037, 196780), (1220, 167263), (2074, 98390), (4148, 49195), (5185, 39356), (9839, 20740), (10370, 19678)]