88669700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 221360832

約数和(自身を除く): 132691132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 643, 700, 788, 985, 1286, 1379, 1970, 2572, 2758, 3215, 3940, 4501, 4925, 5516, 6430, 6895, 9002, 9850, 12860, 13790, 16075, 18004, 19700, 22505, 27580, 32150, 34475, 45010, 64300, 68950, 90020, 112525, 126671, 137900, 225050, 253342, 450100, 506684, 633355, 886697, 1266710, 1773394, 2533420, 3166775, 3546788, 4433485, 6333550, 8866970, 12667100, 17733940, 22167425, 44334850, 88669700]

約数ペア:

[(1, 88669700), (2, 44334850), (4, 22167425), (5, 17733940), (7, 12667100), (10, 8866970), (14, 6333550), (20, 4433485), (25, 3546788), (28, 3166775), (35, 2533420), (50, 1773394), (70, 1266710), (100, 886697), (140, 633355), (175, 506684), (197, 450100), (350, 253342), (394, 225050), (643, 137900), (700, 126671), (788, 112525), (985, 90020), (1286, 68950), (1379, 64300), (1970, 45010), (2572, 34475), (2758, 32150), (3215, 27580), (3940, 22505), (4501, 19700), (4925, 18004), (5516, 16075), (6430, 13790), (6895, 12860), (9002, 9850)]