779695229380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{479}}^1\times {\mathrm{1721}}^1$

素因数の和:2378

約数の個数: 144

約数和(自身を含む): 1745912931840

約数和(自身を除く): 966217702460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 361, 380, 479, 524, 655, 722, 958, 1310, 1444, 1721, 1805, 1916, 2395, 2489, 2620, 3442, 3610, 4790, 4978, 6884, 7220, 8605, 9101, 9580, 9956, 12445, 17210, 18202, 24890, 32699, 34420, 36404, 45505, 47291, 49780, 62749, 65398, 91010, 94582, 125498, 130796, 163495, 172919, 182020, 189164, 225451, 236455, 250996, 313745, 326990, 345838, 450902, 472910, 621281, 627490, 653980, 691676, 824359, 864595, 901804, 945820, 1127255, 1192231, 1242562, 1254980, 1648718, 1729190, 2254510, 2384462, 2485124, 3106405, 3297436, 3458380, 4121795, 4283569, 4509020, 4768924, 5961155, 6212810, 8243590, 8567138, 11922310, 12425620, 15662821, 16487180, 17134276, 21417845, 22652389, 23844620, 31325642, 42835690, 45304778, 62651284, 78314105, 81387811, 85671380, 90609556, 107991029, 113261945, 156628210, 162775622, 215982058, 226523890, 297593599, 313256420, 325551244, 406939055, 431964116, 453047780, 539955145, 595187198, 813878110, 1079910290, 1190374396, 1487967995, 1627756220, 2051829551, 2159820580, 2975935990, 4103659102, 5951871980, 8207318204, 10259147755, 20518295510, 38984761469, 41036591020, 77969522938, 155939045876, 194923807345, 389847614690, 779695229380]

約数ペア:

[(1, 779695229380), (2, 389847614690), (4, 194923807345), (5, 155939045876), (10, 77969522938), (19, 41036591020), (20, 38984761469), (38, 20518295510), (76, 10259147755), (95, 8207318204), (131, 5951871980), (190, 4103659102), (262, 2975935990), (361, 2159820580), (380, 2051829551), (479, 1627756220), (524, 1487967995), (655, 1190374396), (722, 1079910290), (958, 813878110), (1310, 595187198), (1444, 539955145), (1721, 453047780), (1805, 431964116), (1916, 406939055), (2395, 325551244), (2489, 313256420), (2620, 297593599), (3442, 226523890), (3610, 215982058), (4790, 162775622), (4978, 156628210), (6884, 113261945), (7220, 107991029), (8605, 90609556), (9101, 85671380), (9580, 81387811), (9956, 78314105), (12445, 62651284), (17210, 45304778), (18202, 42835690), (24890, 31325642), (32699, 23844620), (34420, 22652389), (36404, 21417845), (45505, 17134276), (47291, 16487180), (49780, 15662821), (62749, 12425620), (65398, 11922310), (91010, 8567138), (94582, 8243590), (125498, 6212810), (130796, 5961155), (163495, 4768924), (172919, 4509020), (182020, 4283569), (189164, 4121795), (225451, 3458380), (236455, 3297436), (250996, 3106405), (313745, 2485124), (326990, 2384462), (345838, 2254510), (450902, 1729190), (472910, 1648718), (621281, 1254980), (627490, 1242562), (653980, 1192231), (691676, 1127255), (824359, 945820), (864595, 901804)]