687736570780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{380777}}^1$

素因数の和:380916

約数の個数: 144

約数和(自身を含む): 1786701762720

約数和(自身を除く): 1098965191940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 97, 98, 133, 140, 190, 194, 196, 245, 266, 380, 388, 485, 490, 532, 665, 679, 931, 970, 980, 1330, 1358, 1843, 1862, 1940, 2660, 2716, 3395, 3686, 3724, 4655, 4753, 6790, 7372, 9215, 9310, 9506, 12901, 13580, 18430, 18620, 19012, 23765, 25802, 36860, 47530, 51604, 64505, 90307, 95060, 129010, 180614, 258020, 361228, 380777, 451535, 761554, 903070, 1523108, 1806140, 1903885, 2665439, 3807770, 5330878, 7234763, 7615540, 10661756, 13327195, 14469526, 18658073, 26654390, 28939052, 36173815, 36935369, 37316146, 50643341, 53308780, 72347630, 73870738, 74632292, 93290365, 101286682, 144695260, 147741476, 184676845, 186580730, 202573364, 253216705, 258547583, 354503387, 369353690, 373161460, 506433410, 517095166, 701772011, 709006774, 738707380, 1012866820, 1034190332, 1292737915, 1403544022, 1418013548, 1772516935, 1809833081, 2585475830, 2807088044, 3508860055, 3545033870, 3619666162, 4912404077, 5170951660, 7017720110, 7090067740, 7239332324, 9049165405, 9824808154, 14035440220, 18098330810, 19649616308, 24562020385, 34386828539, 36196661620, 49124040770, 68773657078, 98248081540, 137547314156, 171934142695, 343868285390, 687736570780]

約数ペア:

[(1, 687736570780), (2, 343868285390), (4, 171934142695), (5, 137547314156), (7, 98248081540), (10, 68773657078), (14, 49124040770), (19, 36196661620), (20, 34386828539), (28, 24562020385), (35, 19649616308), (38, 18098330810), (49, 14035440220), (70, 9824808154), (76, 9049165405), (95, 7239332324), (97, 7090067740), (98, 7017720110), (133, 5170951660), (140, 4912404077), (190, 3619666162), (194, 3545033870), (196, 3508860055), (245, 2807088044), (266, 2585475830), (380, 1809833081), (388, 1772516935), (485, 1418013548), (490, 1403544022), (532, 1292737915), (665, 1034190332), (679, 1012866820), (931, 738707380), (970, 709006774), (980, 701772011), (1330, 517095166), (1358, 506433410), (1843, 373161460), (1862, 369353690), (1940, 354503387), (2660, 258547583), (2716, 253216705), (3395, 202573364), (3686, 186580730), (3724, 184676845), (4655, 147741476), (4753, 144695260), (6790, 101286682), (7372, 93290365), (9215, 74632292), (9310, 73870738), (9506, 72347630), (12901, 53308780), (13580, 50643341), (18430, 37316146), (18620, 36935369), (19012, 36173815), (23765, 28939052), (25802, 26654390), (36860, 18658073), (47530, 14469526), (51604, 13327195), (64505, 10661756), (90307, 7615540), (95060, 7234763), (129010, 5330878), (180614, 3807770), (258020, 2665439), (361228, 1903885), (380777, 1806140), (451535, 1523108), (761554, 903070)]