71471540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 183079680

約数和(自身を除く): 111608140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 97, 133, 140, 190, 194, 266, 277, 380, 388, 485, 532, 554, 665, 679, 970, 1108, 1330, 1358, 1385, 1843, 1939, 1940, 2660, 2716, 2770, 3395, 3686, 3878, 5263, 5540, 6790, 7372, 7756, 9215, 9695, 10526, 12901, 13580, 18430, 19390, 21052, 25802, 26315, 26869, 36841, 36860, 38780, 51604, 52630, 53738, 64505, 73682, 105260, 107476, 129010, 134345, 147364, 184205, 188083, 258020, 268690, 368410, 376166, 510511, 537380, 736820, 752332, 940415, 1021022, 1880830, 2042044, 2552555, 3573577, 3761660, 5105110, 7147154, 10210220, 14294308, 17867885, 35735770, 71471540]

約数ペア:

[(1, 71471540), (2, 35735770), (4, 17867885), (5, 14294308), (7, 10210220), (10, 7147154), (14, 5105110), (19, 3761660), (20, 3573577), (28, 2552555), (35, 2042044), (38, 1880830), (70, 1021022), (76, 940415), (95, 752332), (97, 736820), (133, 537380), (140, 510511), (190, 376166), (194, 368410), (266, 268690), (277, 258020), (380, 188083), (388, 184205), (485, 147364), (532, 134345), (554, 129010), (665, 107476), (679, 105260), (970, 73682), (1108, 64505), (1330, 53738), (1358, 52630), (1385, 51604), (1843, 38780), (1939, 36860), (1940, 36841), (2660, 26869), (2716, 26315), (2770, 25802), (3395, 21052), (3686, 19390), (3878, 18430), (5263, 13580), (5540, 12901), (6790, 10526), (7372, 9695), (7756, 9215)]