2783755780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 192

約数和(自身を含む): 7041323520

約数和(自身を除く): 4257567740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 139, 170, 197, 221, 230, 260, 278, 299, 340, 391, 394, 442, 460, 556, 598, 695, 782, 788, 884, 985, 1105, 1196, 1390, 1495, 1564, 1807, 1955, 1970, 2210, 2363, 2561, 2780, 2990, 3197, 3349, 3614, 3910, 3940, 4420, 4531, 4726, 5083, 5122, 5980, 6394, 6698, 7228, 7820, 9035, 9062, 9452, 10166, 10244, 11815, 12788, 12805, 13396, 15985, 16745, 18070, 18124, 20332, 22655, 23630, 25415, 25610, 27383, 30719, 31970, 33490, 36140, 41561, 43537, 45310, 47260, 50830, 51220, 54349, 54766, 58903, 61438, 63940, 66980, 77027, 83122, 87074, 90620, 101660, 108698, 109532, 117806, 122876, 136915, 153595, 154054, 166244, 174148, 207805, 217396, 217685, 235612, 271745, 273830, 294515, 307190, 308108, 355979, 385135, 415610, 435370, 465511, 543490, 547660, 589030, 614380, 629809, 706537, 711958, 770270, 831220, 870740, 931022, 1001351, 1086980, 1178060, 1259618, 1413074, 1423916, 1540540, 1779895, 1862044, 2002702, 2327555, 2519236, 2826148, 3149045, 3532685, 3559790, 4005404, 4655110, 5006755, 6051643, 6298090, 7065370, 7119580, 8187517, 9310220, 10013510, 10706753, 12103286, 12596180, 14130740, 16375034, 20027020, 21413506, 24206572, 30258215, 32750068, 40937585, 42827012, 53533765, 60516430, 81875170, 107067530, 121032860, 139187789, 163750340, 214135060, 278375578, 556751156, 695938945, 1391877890, 2783755780]

約数ペア:

[(1, 2783755780), (2, 1391877890), (4, 695938945), (5, 556751156), (10, 278375578), (13, 214135060), (17, 163750340), (20, 139187789), (23, 121032860), (26, 107067530), (34, 81875170), (46, 60516430), (52, 53533765), (65, 42827012), (68, 40937585), (85, 32750068), (92, 30258215), (115, 24206572), (130, 21413506), (139, 20027020), (170, 16375034), (197, 14130740), (221, 12596180), (230, 12103286), (260, 10706753), (278, 10013510), (299, 9310220), (340, 8187517), (391, 7119580), (394, 7065370), (442, 6298090), (460, 6051643), (556, 5006755), (598, 4655110), (695, 4005404), (782, 3559790), (788, 3532685), (884, 3149045), (985, 2826148), (1105, 2519236), (1196, 2327555), (1390, 2002702), (1495, 1862044), (1564, 1779895), (1807, 1540540), (1955, 1423916), (1970, 1413074), (2210, 1259618), (2363, 1178060), (2561, 1086980), (2780, 1001351), (2990, 931022), (3197, 870740), (3349, 831220), (3614, 770270), (3910, 711958), (3940, 706537), (4420, 629809), (4531, 614380), (4726, 589030), (5083, 547660), (5122, 543490), (5980, 465511), (6394, 435370), (6698, 415610), (7228, 385135), (7820, 355979), (9035, 308108), (9062, 307190), (9452, 294515), (10166, 273830), (10244, 271745), (11815, 235612), (12788, 217685), (12805, 217396), (13396, 207805), (15985, 174148), (16745, 166244), (18070, 154054), (18124, 153595), (20332, 136915), (22655, 122876), (23630, 117806), (25415, 109532), (25610, 108698), (27383, 101660), (30719, 90620), (31970, 87074), (33490, 83122), (36140, 77027), (41561, 66980), (43537, 63940), (45310, 61438), (47260, 58903), (50830, 54766), (51220, 54349)]