2019608840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 5062176000

約数和(自身を除く): 3042567160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 139, 170, 184, 230, 278, 340, 391, 460, 556, 680, 695, 782, 920, 929, 1112, 1390, 1564, 1858, 1955, 2363, 2780, 3128, 3197, 3716, 3910, 4645, 4726, 5560, 6394, 7432, 7820, 9290, 9452, 11815, 12788, 15640, 15793, 15985, 18580, 18904, 21367, 23630, 25576, 31586, 31970, 37160, 42734, 47260, 54349, 63172, 63940, 78965, 85468, 94520, 106835, 108698, 126344, 127880, 129131, 157930, 170936, 213670, 217396, 258262, 271745, 315860, 363239, 427340, 434792, 516524, 543490, 631720, 645655, 726478, 854680, 1033048, 1086980, 1291310, 1452956, 1816195, 2173960, 2195227, 2582620, 2905912, 2970013, 3632390, 4390454, 5165240, 5940026, 7264780, 8780908, 10976135, 11880052, 14529560, 14850065, 17561816, 21952270, 23760104, 29700130, 43904540, 50490221, 59400260, 87809080, 100980442, 118800520, 201960884, 252451105, 403921768, 504902210, 1009804420, 2019608840]

約数ペア:

[(1, 2019608840), (2, 1009804420), (4, 504902210), (5, 403921768), (8, 252451105), (10, 201960884), (17, 118800520), (20, 100980442), (23, 87809080), (34, 59400260), (40, 50490221), (46, 43904540), (68, 29700130), (85, 23760104), (92, 21952270), (115, 17561816), (136, 14850065), (139, 14529560), (170, 11880052), (184, 10976135), (230, 8780908), (278, 7264780), (340, 5940026), (391, 5165240), (460, 4390454), (556, 3632390), (680, 2970013), (695, 2905912), (782, 2582620), (920, 2195227), (929, 2173960), (1112, 1816195), (1390, 1452956), (1564, 1291310), (1858, 1086980), (1955, 1033048), (2363, 854680), (2780, 726478), (3128, 645655), (3197, 631720), (3716, 543490), (3910, 516524), (4645, 434792), (4726, 427340), (5560, 363239), (6394, 315860), (7432, 271745), (7820, 258262), (9290, 217396), (9452, 213670), (11815, 170936), (12788, 157930), (15640, 129131), (15793, 127880), (15985, 126344), (18580, 108698), (18904, 106835), (21367, 94520), (23630, 85468), (25576, 78965), (31586, 63940), (31970, 63172), (37160, 54349), (42734, 47260)]