221437008

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 720370560

約数和(自身を除く): 498933552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 37, 39, 46, 48, 52, 69, 72, 74, 78, 92, 104, 111, 117, 138, 139, 144, 148, 156, 184, 207, 208, 222, 234, 276, 278, 296, 299, 312, 333, 368, 414, 417, 444, 468, 481, 552, 556, 592, 598, 624, 666, 828, 834, 851, 888, 897, 936, 962, 1104, 1112, 1196, 1251, 1332, 1443, 1656, 1668, 1702, 1776, 1794, 1807, 1872, 1924, 2224, 2392, 2502, 2553, 2664, 2691, 2886, 3197, 3312, 3336, 3404, 3588, 3614, 3848, 4329, 4784, 5004, 5106, 5143, 5328, 5382, 5421, 5772, 6394, 6672, 6808, 7176, 7228, 7659, 7696, 8658, 9591, 10008, 10212, 10286, 10764, 10842, 11063, 11544, 12788, 13616, 14352, 14456, 15318, 15429, 16263, 17316, 19182, 20016, 20424, 20572, 21528, 21684, 22126, 23088, 25576, 28773, 28912, 30636, 30858, 32526, 33189, 34632, 38364, 40848, 41144, 41561, 43056, 43368, 44252, 46287, 51152, 57546, 61272, 61716, 65052, 66378, 66859, 69264, 76728, 82288, 83122, 86736, 88504, 92574, 99567, 115092, 118289, 122544, 123432, 124683, 130104, 132756, 133718, 153456, 166244, 177008, 185148, 199134, 200577, 230184, 236578, 246864, 249366, 260208, 265512, 267436, 332488, 354867, 370296, 374049, 398268, 401154, 460368, 473156, 498732, 531024, 534872, 601731, 664976, 709734, 740592, 748098, 796536, 802308, 946312, 997464, 1064601, 1069744, 1203462, 1419468, 1496196, 1537757, 1593072, 1604616, 1892624, 1994928, 2129202, 2406924, 2838936, 2992392, 3075514, 3209232, 4258404, 4613271, 4813848, 5677872, 5984784, 6151028, 8516808, 9226542, 9627696, 12302056, 13839813, 17033616, 18453084, 24604112, 27679626, 36906168, 55359252, 73812336, 110718504, 221437008]

約数ペア:

[(1, 221437008), (2, 110718504), (3, 73812336), (4, 55359252), (6, 36906168), (8, 27679626), (9, 24604112), (12, 18453084), (13, 17033616), (16, 13839813), (18, 12302056), (23, 9627696), (24, 9226542), (26, 8516808), (36, 6151028), (37, 5984784), (39, 5677872), (46, 4813848), (48, 4613271), (52, 4258404), (69, 3209232), (72, 3075514), (74, 2992392), (78, 2838936), (92, 2406924), (104, 2129202), (111, 1994928), (117, 1892624), (138, 1604616), (139, 1593072), (144, 1537757), (148, 1496196), (156, 1419468), (184, 1203462), (207, 1069744), (208, 1064601), (222, 997464), (234, 946312), (276, 802308), (278, 796536), (296, 748098), (299, 740592), (312, 709734), (333, 664976), (368, 601731), (414, 534872), (417, 531024), (444, 498732), (468, 473156), (481, 460368), (552, 401154), (556, 398268), (592, 374049), (598, 370296), (624, 354867), (666, 332488), (828, 267436), (834, 265512), (851, 260208), (888, 249366), (897, 246864), (936, 236578), (962, 230184), (1104, 200577), (1112, 199134), (1196, 185148), (1251, 177008), (1332, 166244), (1443, 153456), (1656, 133718), (1668, 132756), (1702, 130104), (1776, 124683), (1794, 123432), (1807, 122544), (1872, 118289), (1924, 115092), (2224, 99567), (2392, 92574), (2502, 88504), (2553, 86736), (2664, 83122), (2691, 82288), (2886, 76728), (3197, 69264), (3312, 66859), (3336, 66378), (3404, 65052), (3588, 61716), (3614, 61272), (3848, 57546), (4329, 51152), (4784, 46287), (5004, 44252), (5106, 43368), (5143, 43056), (5328, 41561), (5382, 41144), (5421, 40848), (5772, 38364), (6394, 34632), (6672, 33189), (6808, 32526), (7176, 30858), (7228, 30636), (7659, 28912), (7696, 28773), (8658, 25576), (9591, 23088), (10008, 22126), (10212, 21684), (10286, 21528), (10764, 20572), (10842, 20424), (11063, 20016), (11544, 19182), (12788, 17316), (13616, 16263), (14352, 15429), (14456, 15318)]