218157440

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4801}}^1$

素因数の和:4891

約数の個数: 64

約数和(自身を含む): 528988320

約数和(自身を除く): 310830880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 4801, 5680, 9088, 9602, 11360, 19204, 22720, 24005, 38408, 45440, 48010, 76816, 96020, 153632, 192040, 307264, 340871, 384080, 614528, 681742, 768160, 1363484, 1536320, 1704355, 2726968, 3072640, 3408710, 5453936, 6817420, 10907872, 13634840, 21815744, 27269680, 43631488, 54539360, 109078720, 218157440]

約数ペア:

[(1, 218157440), (2, 109078720), (4, 54539360), (5, 43631488), (8, 27269680), (10, 21815744), (16, 13634840), (20, 10907872), (32, 6817420), (40, 5453936), (64, 3408710), (71, 3072640), (80, 2726968), (128, 1704355), (142, 1536320), (160, 1363484), (284, 768160), (320, 681742), (355, 614528), (568, 384080), (640, 340871), (710, 307264), (1136, 192040), (1420, 153632), (2272, 96020), (2840, 76816), (4544, 48010), (4801, 45440), (5680, 38408), (9088, 24005), (9602, 22720), (11360, 19204)]