47001990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 135862272

約数和(自身を除く): 88860282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 53, 70, 82, 103, 105, 106, 123, 159, 205, 206, 210, 246, 265, 287, 309, 318, 371, 410, 515, 530, 574, 615, 618, 721, 742, 795, 861, 1030, 1113, 1230, 1435, 1442, 1545, 1590, 1722, 1855, 2163, 2173, 2226, 2870, 3090, 3605, 3710, 4223, 4305, 4326, 4346, 5459, 5565, 6519, 7210, 8446, 8610, 10815, 10865, 10918, 11130, 12669, 13038, 15211, 16377, 21115, 21630, 21730, 25338, 27295, 29561, 30422, 32595, 32754, 38213, 42230, 45633, 54590, 59122, 63345, 65190, 76055, 76426, 81885, 88683, 91266, 114639, 126690, 147805, 152110, 163770, 177366, 191065, 223819, 228165, 229278, 295610, 382130, 443415, 447638, 456330, 573195, 671457, 886830, 1119095, 1146390, 1342914, 1566733, 2238190, 3133466, 3357285, 4700199, 6714570, 7833665, 9400398, 15667330, 23500995, 47001990]

約数ペア:

[(1, 47001990), (2, 23500995), (3, 15667330), (5, 9400398), (6, 7833665), (7, 6714570), (10, 4700199), (14, 3357285), (15, 3133466), (21, 2238190), (30, 1566733), (35, 1342914), (41, 1146390), (42, 1119095), (53, 886830), (70, 671457), (82, 573195), (103, 456330), (105, 447638), (106, 443415), (123, 382130), (159, 295610), (205, 229278), (206, 228165), (210, 223819), (246, 191065), (265, 177366), (287, 163770), (309, 152110), (318, 147805), (371, 126690), (410, 114639), (515, 91266), (530, 88683), (574, 81885), (615, 76426), (618, 76055), (721, 65190), (742, 63345), (795, 59122), (861, 54590), (1030, 45633), (1113, 42230), (1230, 38213), (1435, 32754), (1442, 32595), (1545, 30422), (1590, 29561), (1722, 27295), (1855, 25338), (2163, 21730), (2173, 21630), (2226, 21115), (2870, 16377), (3090, 15211), (3605, 13038), (3710, 12669), (4223, 11130), (4305, 10918), (4326, 10865), (4346, 10815), (5459, 8610), (5565, 8446), (6519, 7210)]