812769230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20841

約数の個数: 64

約数和(自身を含む): 1842559488

約数和(自身を除く): 1029790258

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1505, 2795, 3010, 3913, 5590, 7826, 19565, 20771, 39130, 41542, 103855, 145397, 207710, 270023, 290794, 540046, 726985, 893153, 1350115, 1453970, 1786306, 1890161, 2700230, 3780322, 4465765, 6252071, 8931530, 9450805, 11610989, 12504142, 18901610, 23221978, 31260355, 58054945, 62520710, 81276923, 116109890, 162553846, 406384615, 812769230]

約数ペア:

[(1, 812769230), (2, 406384615), (5, 162553846), (7, 116109890), (10, 81276923), (13, 62520710), (14, 58054945), (26, 31260355), (35, 23221978), (43, 18901610), (65, 12504142), (70, 11610989), (86, 9450805), (91, 8931530), (130, 6252071), (182, 4465765), (215, 3780322), (301, 2700230), (430, 1890161), (455, 1786306), (559, 1453970), (602, 1350115), (910, 893153), (1118, 726985), (1505, 540046), (2795, 290794), (3010, 270023), (3913, 207710), (5590, 145397), (7826, 103855), (19565, 41542), (20771, 39130)]