201995506060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{19861}}^1$

素因数の和:20147

約数の個数: 96

約数和(自身を含む): 442862219520

約数和(自身を除く): 240866713460

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 157, 158, 164, 205, 314, 316, 395, 410, 628, 785, 790, 820, 1570, 1580, 3140, 3239, 6437, 6478, 12403, 12874, 12956, 16195, 19861, 24806, 25748, 32185, 32390, 39722, 49612, 62015, 64370, 64780, 79444, 99305, 124030, 128740, 198610, 248060, 397220, 508523, 814301, 1017046, 1569019, 1628602, 2034092, 2542615, 3118177, 3138038, 3257204, 4071505, 5085230, 6236354, 6276076, 7845095, 8143010, 10170460, 12472708, 15590885, 15690190, 16286020, 31181770, 31380380, 62363540, 64329779, 127845257, 128659558, 246335983, 255690514, 257319116, 321648895, 492671966, 511381028, 639226285, 643297790, 985343932, 1231679915, 1278452570, 1286595580, 2463359830, 2556905140, 4926719660, 10099775303, 20199550606, 40399101212, 50498876515, 100997753030, 201995506060]

約数ペア:

[(1, 201995506060), (2, 100997753030), (4, 50498876515), (5, 40399101212), (10, 20199550606), (20, 10099775303), (41, 4926719660), (79, 2556905140), (82, 2463359830), (157, 1286595580), (158, 1278452570), (164, 1231679915), (205, 985343932), (314, 643297790), (316, 639226285), (395, 511381028), (410, 492671966), (628, 321648895), (785, 257319116), (790, 255690514), (820, 246335983), (1570, 128659558), (1580, 127845257), (3140, 64329779), (3239, 62363540), (6437, 31380380), (6478, 31181770), (12403, 16286020), (12874, 15690190), (12956, 15590885), (16195, 12472708), (19861, 10170460), (24806, 8143010), (25748, 7845095), (32185, 6276076), (32390, 6236354), (39722, 5085230), (49612, 4071505), (62015, 3257204), (64370, 3138038), (64780, 3118177), (79444, 2542615), (99305, 2034092), (124030, 1628602), (128740, 1569019), (198610, 1017046), (248060, 814301), (397220, 508523)]