27897460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 32421260

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 191, 218, 268, 335, 382, 436, 545, 670, 764, 955, 1090, 1340, 1910, 2180, 3820, 7303, 12797, 14606, 20819, 25594, 29212, 36515, 41638, 51188, 63985, 73030, 83276, 104095, 127970, 146060, 208190, 255940, 416380, 1394873, 2789746, 5579492, 6974365, 13948730, 27897460]

約数ペア:

[(1, 27897460), (2, 13948730), (4, 6974365), (5, 5579492), (10, 2789746), (20, 1394873), (67, 416380), (109, 255940), (134, 208190), (191, 146060), (218, 127970), (268, 104095), (335, 83276), (382, 73030), (436, 63985), (545, 51188), (670, 41638), (764, 36515), (955, 29212), (1090, 25594), (1340, 20819), (1910, 14606), (2180, 12797), (3820, 7303)]