400018024

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18269}}^1$

素因数の和:18322

約数の個数: 64

約数和(自身を含む): 947116800

約数和(自身を除く): 547098776

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 952, 1288, 1564, 2737, 3128, 5474, 10948, 18269, 21896, 36538, 73076, 127883, 146152, 255766, 310573, 420187, 511532, 621146, 840374, 1023064, 1242292, 1680748, 2174011, 2484584, 2941309, 3361496, 4348022, 5882618, 7143179, 8696044, 11765236, 14286358, 17392088, 23530472, 28572716, 50002253, 57145432, 100004506, 200009012, 400018024]

約数ペア:

[(1, 400018024), (2, 200009012), (4, 100004506), (7, 57145432), (8, 50002253), (14, 28572716), (17, 23530472), (23, 17392088), (28, 14286358), (34, 11765236), (46, 8696044), (56, 7143179), (68, 5882618), (92, 4348022), (119, 3361496), (136, 2941309), (161, 2484584), (184, 2174011), (238, 1680748), (322, 1242292), (391, 1023064), (476, 840374), (644, 621146), (782, 511532), (952, 420187), (1288, 310573), (1564, 255766), (2737, 146152), (3128, 127883), (5474, 73076), (10948, 36538), (18269, 21896)]