140009870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 344881152

約数和(自身を除く): 204871282

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 71, 77, 91, 110, 130, 142, 143, 154, 182, 197, 286, 355, 385, 394, 455, 497, 710, 715, 770, 781, 910, 923, 985, 994, 1001, 1379, 1430, 1562, 1846, 1970, 2002, 2167, 2485, 2561, 2758, 3905, 4334, 4615, 4970, 5005, 5122, 5467, 6461, 6895, 7810, 9230, 10010, 10153, 10835, 10934, 12805, 12922, 13790, 13987, 15169, 17927, 20306, 21670, 25610, 27335, 27974, 28171, 30338, 32305, 35854, 50765, 54670, 56342, 64610, 69935, 71071, 75845, 89635, 97909, 101530, 139870, 140855, 142142, 151690, 153857, 179270, 181831, 195818, 197197, 281710, 307714, 355355, 363662, 394394, 489545, 710710, 769285, 909155, 979090, 985985, 1076999, 1272817, 1538570, 1818310, 1971970, 2000141, 2153998, 2545634, 4000282, 5384995, 6364085, 10000705, 10769990, 12728170, 14000987, 20001410, 28001974, 70004935, 140009870]

約数ペア:

[(1, 140009870), (2, 70004935), (5, 28001974), (7, 20001410), (10, 14000987), (11, 12728170), (13, 10769990), (14, 10000705), (22, 6364085), (26, 5384995), (35, 4000282), (55, 2545634), (65, 2153998), (70, 2000141), (71, 1971970), (77, 1818310), (91, 1538570), (110, 1272817), (130, 1076999), (142, 985985), (143, 979090), (154, 909155), (182, 769285), (197, 710710), (286, 489545), (355, 394394), (385, 363662), (394, 355355), (455, 307714), (497, 281710), (710, 197197), (715, 195818), (770, 181831), (781, 179270), (910, 153857), (923, 151690), (985, 142142), (994, 140855), (1001, 139870), (1379, 101530), (1430, 97909), (1562, 89635), (1846, 75845), (1970, 71071), (2002, 69935), (2167, 64610), (2485, 56342), (2561, 54670), (2758, 50765), (3905, 35854), (4334, 32305), (4615, 30338), (4970, 28171), (5005, 27974), (5122, 27335), (5467, 25610), (6461, 21670), (6895, 20306), (7810, 17927), (9230, 15169), (10010, 13987), (10153, 13790), (10835, 12922), (10934, 12805)]