321815032

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 808704000

約数和(自身を除く): 486888968

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 79, 88, 119, 136, 154, 158, 187, 238, 308, 316, 374, 389, 476, 553, 616, 632, 748, 778, 869, 952, 1106, 1309, 1343, 1496, 1556, 1738, 2212, 2618, 2686, 2723, 3112, 3476, 4279, 4424, 5236, 5372, 5446, 6083, 6613, 6952, 8558, 9401, 10472, 10744, 10892, 12166, 13226, 14773, 17116, 18802, 21784, 24332, 26452, 29546, 29953, 30731, 34232, 37604, 46291, 48664, 52904, 59092, 59906, 61462, 72743, 75208, 92582, 103411, 118184, 119812, 122924, 145486, 185164, 206822, 215117, 239624, 245848, 290972, 338041, 370328, 413644, 430234, 509201, 522427, 581944, 676082, 827288, 860468, 1018402, 1044854, 1352164, 1720936, 2036804, 2089708, 2366287, 2704328, 3656989, 4073608, 4179416, 4732574, 5746697, 7313978, 9465148, 11493394, 14627956, 18930296, 22986788, 29255912, 40226879, 45973576, 80453758, 160907516, 321815032]

約数ペア:

[(1, 321815032), (2, 160907516), (4, 80453758), (7, 45973576), (8, 40226879), (11, 29255912), (14, 22986788), (17, 18930296), (22, 14627956), (28, 11493394), (34, 9465148), (44, 7313978), (56, 5746697), (68, 4732574), (77, 4179416), (79, 4073608), (88, 3656989), (119, 2704328), (136, 2366287), (154, 2089708), (158, 2036804), (187, 1720936), (238, 1352164), (308, 1044854), (316, 1018402), (374, 860468), (389, 827288), (476, 676082), (553, 581944), (616, 522427), (632, 509201), (748, 430234), (778, 413644), (869, 370328), (952, 338041), (1106, 290972), (1309, 245848), (1343, 239624), (1496, 215117), (1556, 206822), (1738, 185164), (2212, 145486), (2618, 122924), (2686, 119812), (2723, 118184), (3112, 103411), (3476, 92582), (4279, 75208), (4424, 72743), (5236, 61462), (5372, 59906), (5446, 59092), (6083, 52904), (6613, 48664), (6952, 46291), (8558, 37604), (9401, 34232), (10472, 30731), (10744, 29953), (10892, 29546), (12166, 26452), (13226, 24332), (14773, 21784), (17116, 18802)]