102900980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 278719056

約数和(自身を除く): 175818076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 140, 164, 182, 196, 197, 205, 245, 260, 287, 364, 394, 410, 455, 490, 533, 574, 637, 788, 820, 910, 980, 985, 1066, 1148, 1274, 1379, 1435, 1820, 1970, 2009, 2132, 2548, 2561, 2665, 2758, 2870, 3185, 3731, 3940, 4018, 5122, 5330, 5516, 5740, 6370, 6895, 7462, 8036, 8077, 9653, 10045, 10244, 10660, 12740, 12805, 13790, 14924, 16154, 17927, 18655, 19306, 20090, 25610, 26117, 27580, 32308, 35854, 37310, 38612, 40180, 40385, 48265, 51220, 52234, 56539, 71708, 74620, 80770, 89635, 96530, 104468, 105001, 113078, 125489, 130585, 161540, 179270, 193060, 210002, 226156, 250978, 261170, 282695, 358540, 395773, 420004, 501956, 522340, 525005, 565390, 627445, 735007, 791546, 1050010, 1130780, 1254890, 1470014, 1583092, 1978865, 2100020, 2509780, 2940028, 3675035, 3957730, 5145049, 7350070, 7915460, 10290098, 14700140, 20580196, 25725245, 51450490, 102900980]

約数ペア:

[(1, 102900980), (2, 51450490), (4, 25725245), (5, 20580196), (7, 14700140), (10, 10290098), (13, 7915460), (14, 7350070), (20, 5145049), (26, 3957730), (28, 3675035), (35, 2940028), (41, 2509780), (49, 2100020), (52, 1978865), (65, 1583092), (70, 1470014), (82, 1254890), (91, 1130780), (98, 1050010), (130, 791546), (140, 735007), (164, 627445), (182, 565390), (196, 525005), (197, 522340), (205, 501956), (245, 420004), (260, 395773), (287, 358540), (364, 282695), (394, 261170), (410, 250978), (455, 226156), (490, 210002), (533, 193060), (574, 179270), (637, 161540), (788, 130585), (820, 125489), (910, 113078), (980, 105001), (985, 104468), (1066, 96530), (1148, 89635), (1274, 80770), (1379, 74620), (1435, 71708), (1820, 56539), (1970, 52234), (2009, 51220), (2132, 48265), (2548, 40385), (2561, 40180), (2665, 38612), (2758, 37310), (2870, 35854), (3185, 32308), (3731, 27580), (3940, 26117), (4018, 25610), (5122, 20090), (5330, 19306), (5516, 18655), (5740, 17927), (6370, 16154), (6895, 14924), (7462, 13790), (8036, 12805), (8077, 12740), (9653, 10660), (10045, 10244)]