619331320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 1414052640

約数和(自身を除く): 794721320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 181, 262, 362, 524, 653, 655, 724, 905, 1048, 1306, 1310, 1448, 1810, 2612, 2620, 3265, 3620, 5224, 5240, 6530, 7240, 13060, 23711, 26120, 47422, 85543, 94844, 118193, 118555, 171086, 189688, 236386, 237110, 342172, 427715, 472772, 474220, 590965, 684344, 855430, 945544, 948440, 1181930, 1710860, 2363860, 3421720, 4727720, 15483283, 30966566, 61933132, 77416415, 123866264, 154832830, 309665660, 619331320]

約数ペア:

[(1, 619331320), (2, 309665660), (4, 154832830), (5, 123866264), (8, 77416415), (10, 61933132), (20, 30966566), (40, 15483283), (131, 4727720), (181, 3421720), (262, 2363860), (362, 1710860), (524, 1181930), (653, 948440), (655, 945544), (724, 855430), (905, 684344), (1048, 590965), (1306, 474220), (1310, 472772), (1448, 427715), (1810, 342172), (2612, 237110), (2620, 236386), (3265, 189688), (3620, 171086), (5224, 118555), (5240, 118193), (6530, 94844), (7240, 85543), (13060, 47422), (23711, 26120)]