194870240

素因数分解:

$2^5\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1229}}^1$

素因数の和:2235

約数の個数: 48

約数和(自身を含む): 461220480

約数和(自身を除く): 266350240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 991, 1229, 1982, 2458, 3964, 4916, 4955, 6145, 7928, 9832, 9910, 12290, 15856, 19664, 19820, 24580, 31712, 39328, 39640, 49160, 79280, 98320, 158560, 196640, 1217939, 2435878, 4871756, 6089695, 9743512, 12179390, 19487024, 24358780, 38974048, 48717560, 97435120, 194870240]

約数ペア:

[(1, 194870240), (2, 97435120), (4, 48717560), (5, 38974048), (8, 24358780), (10, 19487024), (16, 12179390), (20, 9743512), (32, 6089695), (40, 4871756), (80, 2435878), (160, 1217939), (991, 196640), (1229, 158560), (1982, 98320), (2458, 79280), (3964, 49160), (4916, 39640), (4955, 39328), (6145, 31712), (7928, 24580), (9832, 19820), (9910, 19664), (12290, 15856)]