189421260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3436

約数の個数: 144

約数和(自身を含む): 649635840

約数和(自身を除く): 460214580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3391, 3724, 3990, 4655, 5586, 6782, 7980, 9310, 10173, 11172, 13564, 13965, 16955, 18620, 20346, 23737, 27930, 33910, 40692, 47474, 50865, 55860, 64429, 67820, 71211, 94948, 101730, 118685, 128858, 142422, 166159, 193287, 203460, 237370, 257716, 284844, 322145, 332318, 356055, 386574, 451003, 474740, 498477, 644290, 664636, 712110, 773148, 830795, 902006, 966435, 996954, 1288580, 1353009, 1424220, 1661590, 1804012, 1932870, 1993908, 2255015, 2492385, 2706018, 3157021, 3323180, 3865740, 4510030, 4984770, 5412036, 6314042, 6765045, 9020060, 9471063, 9969540, 12628084, 13530090, 15785105, 18942126, 27060180, 31570210, 37884252, 47355315, 63140420, 94710630, 189421260]

約数ペア:

[(1, 189421260), (2, 94710630), (3, 63140420), (4, 47355315), (5, 37884252), (6, 31570210), (7, 27060180), (10, 18942126), (12, 15785105), (14, 13530090), (15, 12628084), (19, 9969540), (20, 9471063), (21, 9020060), (28, 6765045), (30, 6314042), (35, 5412036), (38, 4984770), (42, 4510030), (49, 3865740), (57, 3323180), (60, 3157021), (70, 2706018), (76, 2492385), (84, 2255015), (95, 1993908), (98, 1932870), (105, 1804012), (114, 1661590), (133, 1424220), (140, 1353009), (147, 1288580), (190, 996954), (196, 966435), (210, 902006), (228, 830795), (245, 773148), (266, 712110), (285, 664636), (294, 644290), (380, 498477), (399, 474740), (420, 451003), (490, 386574), (532, 356055), (570, 332318), (588, 322145), (665, 284844), (735, 257716), (798, 237370), (931, 203460), (980, 193287), (1140, 166159), (1330, 142422), (1470, 128858), (1596, 118685), (1862, 101730), (1995, 94948), (2660, 71211), (2793, 67820), (2940, 64429), (3391, 55860), (3724, 50865), (3990, 47474), (4655, 40692), (5586, 33910), (6782, 27930), (7980, 23737), (9310, 20346), (10173, 18620), (11172, 16955), (13564, 13965)]