197843240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 548536320

約数和(自身を除く): 350693080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 991, 1085, 1240, 1288, 1426, 1610, 1736, 1982, 2170, 2852, 3220, 3565, 3964, 4340, 4955, 4991, 5704, 6440, 6937, 7130, 7928, 8680, 9910, 9982, 13874, 14260, 19820, 19964, 22793, 24955, 27748, 28520, 30721, 34685, 39640, 39928, 45586, 49910, 55496, 61442, 69370, 91172, 99820, 113965, 122884, 138740, 153605, 159551, 182344, 199640, 215047, 227930, 245768, 277480, 307210, 319102, 430094, 455860, 614420, 638204, 706583, 797755, 860188, 911720, 1075235, 1228840, 1276408, 1413166, 1595510, 1720376, 2150470, 2826332, 3191020, 3532915, 4300940, 4946081, 5652664, 6382040, 7065830, 8601880, 9892162, 14131660, 19784324, 24730405, 28263320, 39568648, 49460810, 98921620, 197843240]

約数ペア:

[(1, 197843240), (2, 98921620), (4, 49460810), (5, 39568648), (7, 28263320), (8, 24730405), (10, 19784324), (14, 14131660), (20, 9892162), (23, 8601880), (28, 7065830), (31, 6382040), (35, 5652664), (40, 4946081), (46, 4300940), (56, 3532915), (62, 3191020), (70, 2826332), (92, 2150470), (115, 1720376), (124, 1595510), (140, 1413166), (155, 1276408), (161, 1228840), (184, 1075235), (217, 911720), (230, 860188), (248, 797755), (280, 706583), (310, 638204), (322, 614420), (434, 455860), (460, 430094), (620, 319102), (644, 307210), (713, 277480), (805, 245768), (868, 227930), (920, 215047), (991, 199640), (1085, 182344), (1240, 159551), (1288, 153605), (1426, 138740), (1610, 122884), (1736, 113965), (1982, 99820), (2170, 91172), (2852, 69370), (3220, 61442), (3565, 55496), (3964, 49910), (4340, 45586), (4955, 39928), (4991, 39640), (5704, 34685), (6440, 30721), (6937, 28520), (7130, 27748), (7928, 24955), (8680, 22793), (9910, 19964), (9982, 19820), (13874, 14260)]