340996900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 768450816

約数和(自身を除く): 427453916

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 317, 347, 620, 634, 694, 775, 1268, 1388, 1550, 1585, 1735, 3100, 3170, 3470, 6340, 6940, 7925, 8675, 9827, 10757, 15850, 17350, 19654, 21514, 31700, 34700, 39308, 43028, 49135, 53785, 98270, 107570, 109999, 196540, 215140, 219998, 245675, 268925, 439996, 491350, 537850, 549995, 982700, 1075700, 1099990, 2199980, 2749975, 3409969, 5499950, 6819938, 10999900, 13639876, 17049845, 34099690, 68199380, 85249225, 170498450, 340996900]

約数ペア:

[(1, 340996900), (2, 170498450), (4, 85249225), (5, 68199380), (10, 34099690), (20, 17049845), (25, 13639876), (31, 10999900), (50, 6819938), (62, 5499950), (100, 3409969), (124, 2749975), (155, 2199980), (310, 1099990), (317, 1075700), (347, 982700), (620, 549995), (634, 537850), (694, 491350), (775, 439996), (1268, 268925), (1388, 245675), (1550, 219998), (1585, 215140), (1735, 196540), (3100, 109999), (3170, 107570), (3470, 98270), (6340, 53785), (6940, 49135), (7925, 43028), (8675, 39308), (9827, 34700), (10757, 31700), (15850, 21514), (17350, 19654)]