420811888

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{52919}}^1$

素因数の和:53005

約数の個数: 40

約数和(自身を含む): 944939520

約数和(自身を除く): 524127632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 52919, 105838, 211676, 370433, 423352, 740866, 846704, 1481732, 2963464, 3757249, 5926928, 7514498, 15028996, 26300743, 30057992, 52601486, 60115984, 105202972, 210405944, 420811888]

約数ペア:

[(1, 420811888), (2, 210405944), (4, 105202972), (7, 60115984), (8, 52601486), (14, 30057992), (16, 26300743), (28, 15028996), (56, 7514498), (71, 5926928), (112, 3757249), (142, 2963464), (284, 1481732), (497, 846704), (568, 740866), (994, 423352), (1136, 370433), (1988, 211676), (3976, 105838), (7952, 52919)]