2018221660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 5283786816

約数和(自身を除く): 3265565156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 197, 260, 338, 364, 394, 433, 455, 676, 788, 845, 866, 910, 985, 1183, 1379, 1690, 1732, 1820, 1970, 2165, 2366, 2561, 2758, 3031, 3380, 3940, 4330, 4732, 5122, 5516, 5629, 5915, 6062, 6895, 8660, 10244, 11258, 11830, 12124, 12805, 13790, 15155, 17927, 22516, 23660, 25610, 27580, 28145, 30310, 33293, 35854, 39403, 51220, 56290, 60620, 66586, 71708, 73177, 78806, 85301, 89635, 112580, 133172, 146354, 157612, 166465, 170602, 179270, 197015, 233051, 292708, 332930, 341204, 358540, 365885, 394030, 426505, 466102, 512239, 597107, 665860, 731770, 788060, 853010, 932204, 1024478, 1108913, 1165255, 1194214, 1463540, 1706020, 2048956, 2217826, 2330510, 2388428, 2561195, 2985535, 4435652, 4661020, 5122390, 5544565, 5971070, 7762391, 10244780, 11089130, 11942140, 14415869, 15524782, 22178260, 28831738, 31049564, 38811955, 57663476, 72079345, 77623910, 100911083, 144158690, 155247820, 201822166, 288317380, 403644332, 504555415, 1009110830, 2018221660]

約数ペア:

[(1, 2018221660), (2, 1009110830), (4, 504555415), (5, 403644332), (7, 288317380), (10, 201822166), (13, 155247820), (14, 144158690), (20, 100911083), (26, 77623910), (28, 72079345), (35, 57663476), (52, 38811955), (65, 31049564), (70, 28831738), (91, 22178260), (130, 15524782), (140, 14415869), (169, 11942140), (182, 11089130), (197, 10244780), (260, 7762391), (338, 5971070), (364, 5544565), (394, 5122390), (433, 4661020), (455, 4435652), (676, 2985535), (788, 2561195), (845, 2388428), (866, 2330510), (910, 2217826), (985, 2048956), (1183, 1706020), (1379, 1463540), (1690, 1194214), (1732, 1165255), (1820, 1108913), (1970, 1024478), (2165, 932204), (2366, 853010), (2561, 788060), (2758, 731770), (3031, 665860), (3380, 597107), (3940, 512239), (4330, 466102), (4732, 426505), (5122, 394030), (5516, 365885), (5629, 358540), (5915, 341204), (6062, 332930), (6895, 292708), (8660, 233051), (10244, 197015), (11258, 179270), (11830, 170602), (12124, 166465), (12805, 157612), (13790, 146354), (15155, 133172), (17927, 112580), (22516, 89635), (23660, 85301), (25610, 78806), (27580, 73177), (28145, 71708), (30310, 66586), (33293, 60620), (35854, 56290), (39403, 51220)]