55341580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 136458000

約数和(自身を除く): 81116420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 379, 490, 596, 745, 758, 980, 1043, 1490, 1516, 1895, 2086, 2653, 2980, 3790, 4172, 5215, 5306, 7301, 7580, 10430, 10612, 13265, 14602, 18571, 20860, 26530, 29204, 36505, 37142, 53060, 56471, 73010, 74284, 92855, 112942, 146020, 185710, 225884, 282355, 371420, 395297, 564710, 790594, 1129420, 1581188, 1976485, 2767079, 3952970, 5534158, 7905940, 11068316, 13835395, 27670790, 55341580]

約数ペア:

[(1, 55341580), (2, 27670790), (4, 13835395), (5, 11068316), (7, 7905940), (10, 5534158), (14, 3952970), (20, 2767079), (28, 1976485), (35, 1581188), (49, 1129420), (70, 790594), (98, 564710), (140, 395297), (149, 371420), (196, 282355), (245, 225884), (298, 185710), (379, 146020), (490, 112942), (596, 92855), (745, 74284), (758, 73010), (980, 56471), (1043, 53060), (1490, 37142), (1516, 36505), (1895, 29204), (2086, 26530), (2653, 20860), (2980, 18571), (3790, 14602), (4172, 13265), (5215, 10612), (5306, 10430), (7301, 7580)]