84718820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3719}}^1$

素因数の和:3812

約数の個数: 48

約数和(自身を含む): 191237760

約数和(自身を除く): 106518940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 3719, 4556, 5695, 7438, 11390, 14876, 18595, 22780, 37190, 63223, 74380, 126446, 249173, 252892, 316115, 498346, 632230, 996692, 1245865, 1264460, 2491730, 4235941, 4983460, 8471882, 16943764, 21179705, 42359410, 84718820]

約数ペア:

[(1, 84718820), (2, 42359410), (4, 21179705), (5, 16943764), (10, 8471882), (17, 4983460), (20, 4235941), (34, 2491730), (67, 1264460), (68, 1245865), (85, 996692), (134, 632230), (170, 498346), (268, 316115), (335, 252892), (340, 249173), (670, 126446), (1139, 74380), (1340, 63223), (2278, 37190), (3719, 22780), (4556, 18595), (5695, 14876), (7438, 11390)]