81894100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 191237760

約数和(自身を除く): 109343660

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 85, 100, 134, 170, 268, 335, 340, 425, 670, 719, 850, 1139, 1340, 1438, 1675, 1700, 2278, 2876, 3350, 3595, 4556, 5695, 6700, 7190, 11390, 12223, 14380, 17975, 22780, 24446, 28475, 35950, 48173, 48892, 56950, 61115, 71900, 96346, 113900, 122230, 192692, 240865, 244460, 305575, 481730, 611150, 818941, 963460, 1204325, 1222300, 1637882, 2408650, 3275764, 4094705, 4817300, 8189410, 16378820, 20473525, 40947050, 81894100]

約数ペア:

[(1, 81894100), (2, 40947050), (4, 20473525), (5, 16378820), (10, 8189410), (17, 4817300), (20, 4094705), (25, 3275764), (34, 2408650), (50, 1637882), (67, 1222300), (68, 1204325), (85, 963460), (100, 818941), (134, 611150), (170, 481730), (268, 305575), (335, 244460), (340, 240865), (425, 192692), (670, 122230), (719, 113900), (850, 96346), (1139, 71900), (1340, 61115), (1438, 56950), (1675, 48892), (1700, 48173), (2278, 35950), (2876, 28475), (3350, 24446), (3595, 22780), (4556, 17975), (5695, 14380), (6700, 12223), (7190, 11390)]