205765872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 574546560

約数和(自身を除く): 368780688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 419, 624, 787, 838, 1257, 1574, 1676, 2361, 2514, 3148, 3352, 4722, 5028, 5447, 6296, 6704, 9444, 10056, 10231, 10894, 12592, 16341, 18888, 20112, 20462, 21788, 30693, 32682, 37776, 40924, 43576, 61386, 65364, 81848, 87152, 122772, 130728, 163696, 245544, 261456, 329753, 491088, 659506, 989259, 1319012, 1978518, 2638024, 3957036, 4286789, 5276048, 7914072, 8573578, 12860367, 15828144, 17147156, 25720734, 34294312, 51441468, 68588624, 102882936, 205765872]

約数ペア:

[(1, 205765872), (2, 102882936), (3, 68588624), (4, 51441468), (6, 34294312), (8, 25720734), (12, 17147156), (13, 15828144), (16, 12860367), (24, 8573578), (26, 7914072), (39, 5276048), (48, 4286789), (52, 3957036), (78, 2638024), (104, 1978518), (156, 1319012), (208, 989259), (312, 659506), (419, 491088), (624, 329753), (787, 261456), (838, 245544), (1257, 163696), (1574, 130728), (1676, 122772), (2361, 87152), (2514, 81848), (3148, 65364), (3352, 61386), (4722, 43576), (5028, 40924), (5447, 37776), (6296, 32682), (6704, 30693), (9444, 21788), (10056, 20462), (10231, 20112), (10894, 18888), (12592, 16341)]