326330890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 639757440

約数和(自身を除く): 313426550

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 163, 190, 205, 257, 326, 410, 514, 779, 815, 1285, 1558, 1630, 2570, 3097, 3895, 4883, 6194, 6683, 7790, 9766, 10537, 13366, 15485, 21074, 24415, 30970, 33415, 41891, 48830, 52685, 66830, 83782, 105370, 126977, 200203, 209455, 253954, 400406, 418910, 634885, 795929, 1001015, 1269770, 1591858, 1717531, 2002030, 3435062, 3979645, 7959290, 8587655, 17175310, 32633089, 65266178, 163165445, 326330890]

約数ペア:

[(1, 326330890), (2, 163165445), (5, 65266178), (10, 32633089), (19, 17175310), (38, 8587655), (41, 7959290), (82, 3979645), (95, 3435062), (163, 2002030), (190, 1717531), (205, 1591858), (257, 1269770), (326, 1001015), (410, 795929), (514, 634885), (779, 418910), (815, 400406), (1285, 253954), (1558, 209455), (1630, 200203), (2570, 126977), (3097, 105370), (3895, 83782), (4883, 66830), (6194, 52685), (6683, 48830), (7790, 41891), (9766, 33415), (10537, 30970), (13366, 24415), (15485, 21074)]