17867780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28580860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 179, 217, 230, 310, 322, 358, 434, 460, 620, 644, 713, 716, 805, 868, 895, 1085, 1253, 1426, 1610, 1790, 2170, 2506, 2852, 3220, 3565, 3580, 4117, 4340, 4991, 5012, 5549, 6265, 7130, 8234, 9982, 11098, 12530, 14260, 16468, 19964, 20585, 22196, 24955, 25060, 27745, 28819, 38843, 41170, 49910, 55490, 57638, 77686, 82340, 99820, 110980, 115276, 127627, 144095, 155372, 194215, 255254, 288190, 388430, 510508, 576380, 638135, 776860, 893389, 1276270, 1786778, 2552540, 3573556, 4466945, 8933890, 17867780]

約数ペア:

[(1, 17867780), (2, 8933890), (4, 4466945), (5, 3573556), (7, 2552540), (10, 1786778), (14, 1276270), (20, 893389), (23, 776860), (28, 638135), (31, 576380), (35, 510508), (46, 388430), (62, 288190), (70, 255254), (92, 194215), (115, 155372), (124, 144095), (140, 127627), (155, 115276), (161, 110980), (179, 99820), (217, 82340), (230, 77686), (310, 57638), (322, 55490), (358, 49910), (434, 41170), (460, 38843), (620, 28819), (644, 27745), (713, 25060), (716, 24955), (805, 22196), (868, 20585), (895, 19964), (1085, 16468), (1253, 14260), (1426, 12530), (1610, 11098), (1790, 9982), (2170, 8234), (2506, 7130), (2852, 6265), (3220, 5549), (3565, 5012), (3580, 4991), (4117, 4340)]