38840408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 80352000

約数和(自身を除く): 41511592

約数列:

[1, 2, 4, 8, 19, 38, 59, 61, 71, 76, 118, 122, 142, 152, 236, 244, 284, 472, 488, 568, 1121, 1159, 1349, 2242, 2318, 2698, 3599, 4189, 4331, 4484, 4636, 5396, 7198, 8378, 8662, 8968, 9272, 10792, 14396, 16756, 17324, 28792, 33512, 34648, 68381, 79591, 82289, 136762, 159182, 164578, 255529, 273524, 318364, 329156, 511058, 547048, 636728, 658312, 1022116, 2044232, 4855051, 9710102, 19420204, 38840408]

約数ペア:

[(1, 38840408), (2, 19420204), (4, 9710102), (8, 4855051), (19, 2044232), (38, 1022116), (59, 658312), (61, 636728), (71, 547048), (76, 511058), (118, 329156), (122, 318364), (142, 273524), (152, 255529), (236, 164578), (244, 159182), (284, 136762), (472, 82289), (488, 79591), (568, 68381), (1121, 34648), (1159, 33512), (1349, 28792), (2242, 17324), (2318, 16756), (2698, 14396), (3599, 10792), (4189, 9272), (4331, 8968), (4484, 8662), (4636, 8378), (5396, 7198)]