219325280

素因数分解:

$2^5\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2621}}^1$

素因数の和:3159

約数の個数: 48

約数和(自身を含む): 519344784

約数和(自身を除く): 300019504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 523, 1046, 2092, 2615, 2621, 4184, 5230, 5242, 8368, 10460, 10484, 13105, 16736, 20920, 20968, 26210, 41840, 41936, 52420, 83680, 83872, 104840, 209680, 419360, 1370783, 2741566, 5483132, 6853915, 10966264, 13707830, 21932528, 27415660, 43865056, 54831320, 109662640, 219325280]

約数ペア:

[(1, 219325280), (2, 109662640), (4, 54831320), (5, 43865056), (8, 27415660), (10, 21932528), (16, 13707830), (20, 10966264), (32, 6853915), (40, 5483132), (80, 2741566), (160, 1370783), (523, 419360), (1046, 209680), (2092, 104840), (2615, 83872), (2621, 83680), (4184, 52420), (5230, 41936), (5242, 41840), (8368, 26210), (10460, 20968), (10484, 20920), (13105, 16736)]