2673860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 6531840

約数和(自身を除く): 3857980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 269, 284, 355, 497, 538, 710, 994, 1076, 1345, 1420, 1883, 1988, 2485, 2690, 3766, 4970, 5380, 7532, 9415, 9940, 18830, 19099, 37660, 38198, 76396, 95495, 133693, 190990, 267386, 381980, 534772, 668465, 1336930, 2673860]

約数ペア:

[(1, 2673860), (2, 1336930), (4, 668465), (5, 534772), (7, 381980), (10, 267386), (14, 190990), (20, 133693), (28, 95495), (35, 76396), (70, 38198), (71, 37660), (140, 19099), (142, 18830), (269, 9940), (284, 9415), (355, 7532), (497, 5380), (538, 4970), (710, 3766), (994, 2690), (1076, 2485), (1345, 1988), (1420, 1883)]