401206960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 1215922176

約数和(自身を除く): 814715216

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 154, 155, 176, 191, 217, 220, 242, 248, 280, 308, 310, 341, 382, 385, 434, 440, 484, 496, 560, 605, 616, 620, 682, 764, 770, 847, 868, 880, 955, 968, 1085, 1210, 1232, 1240, 1337, 1364, 1528, 1540, 1694, 1705, 1736, 1910, 1936, 2101, 2170, 2387, 2420, 2480, 2674, 2728, 3056, 3080, 3388, 3410, 3472, 3751, 3820, 4202, 4235, 4340, 4774, 4840, 5348, 5456, 5921, 6160, 6685, 6776, 6820, 7502, 7640, 8404, 8470, 8680, 9548, 9680, 10505, 10696, 11842, 11935, 13370, 13552, 13640, 14707, 15004, 15280, 16808, 16940, 17360, 18755, 19096, 21010, 21392, 23111, 23684, 23870, 26257, 26740, 27280, 29414, 29605, 30008, 33616, 33880, 37510, 38192, 41447, 42020, 46222, 47368, 47740, 52514, 53480, 58828, 59210, 60016, 65131, 67760, 73535, 75020, 82894, 84040, 92444, 94736, 95480, 105028, 106960, 115555, 117656, 118420, 130262, 131285, 147070, 150040, 161777, 165788, 168080, 184888, 190960, 207235, 210056, 231110, 235312, 236840, 260524, 262570, 294140, 300080, 323554, 325655, 331576, 369776, 414470, 420112, 455917, 462220, 473680, 521048, 525140, 588280, 647108, 651310, 663152, 716441, 808885, 828940, 911834, 924440, 1042096, 1050280, 1176560, 1294216, 1302620, 1432882, 1617770, 1657880, 1823668, 1848880, 2100560, 2279585, 2588432, 2605240, 2865764, 3235540, 3315760, 3582205, 3647336, 4559170, 5015087, 5210480, 5731528, 6471080, 7164410, 7294672, 9118340, 10030174, 11463056, 12942160, 14328820, 18236680, 20060348, 25075435, 28657640, 36473360, 40120696, 50150870, 57315280, 80241392, 100301740, 200603480, 401206960]

約数ペア:

[(1, 401206960), (2, 200603480), (4, 100301740), (5, 80241392), (7, 57315280), (8, 50150870), (10, 40120696), (11, 36473360), (14, 28657640), (16, 25075435), (20, 20060348), (22, 18236680), (28, 14328820), (31, 12942160), (35, 11463056), (40, 10030174), (44, 9118340), (55, 7294672), (56, 7164410), (62, 6471080), (70, 5731528), (77, 5210480), (80, 5015087), (88, 4559170), (110, 3647336), (112, 3582205), (121, 3315760), (124, 3235540), (140, 2865764), (154, 2605240), (155, 2588432), (176, 2279585), (191, 2100560), (217, 1848880), (220, 1823668), (242, 1657880), (248, 1617770), (280, 1432882), (308, 1302620), (310, 1294216), (341, 1176560), (382, 1050280), (385, 1042096), (434, 924440), (440, 911834), (484, 828940), (496, 808885), (560, 716441), (605, 663152), (616, 651310), (620, 647108), (682, 588280), (764, 525140), (770, 521048), (847, 473680), (868, 462220), (880, 455917), (955, 420112), (968, 414470), (1085, 369776), (1210, 331576), (1232, 325655), (1240, 323554), (1337, 300080), (1364, 294140), (1528, 262570), (1540, 260524), (1694, 236840), (1705, 235312), (1736, 231110), (1910, 210056), (1936, 207235), (2101, 190960), (2170, 184888), (2387, 168080), (2420, 165788), (2480, 161777), (2674, 150040), (2728, 147070), (3056, 131285), (3080, 130262), (3388, 118420), (3410, 117656), (3472, 115555), (3751, 106960), (3820, 105028), (4202, 95480), (4235, 94736), (4340, 92444), (4774, 84040), (4840, 82894), (5348, 75020), (5456, 73535), (5921, 67760), (6160, 65131), (6685, 60016), (6776, 59210), (6820, 58828), (7502, 53480), (7640, 52514), (8404, 47740), (8470, 47368), (8680, 46222), (9548, 42020), (9680, 41447), (10505, 38192), (10696, 37510), (11842, 33880), (11935, 33616), (13370, 30008), (13552, 29605), (13640, 29414), (14707, 27280), (15004, 26740), (15280, 26257), (16808, 23870), (16940, 23684), (17360, 23111), (18755, 21392), (19096, 21010)]