668815210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{5711}}^1$

素因数の和:5971

約数の個数: 48

約数和(自身を含む): 1406522880

約数和(自身を除く): 737707670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 478, 490, 1195, 1673, 2390, 3346, 5711, 8365, 11422, 11711, 16730, 23422, 28555, 39977, 57110, 58555, 79954, 117110, 199885, 279839, 399770, 559678, 1364929, 1399195, 2729858, 2798390, 6824645, 9554503, 13649290, 19109006, 47772515, 66881521, 95545030, 133763042, 334407605, 668815210]

約数ペア:

[(1, 668815210), (2, 334407605), (5, 133763042), (7, 95545030), (10, 66881521), (14, 47772515), (35, 19109006), (49, 13649290), (70, 9554503), (98, 6824645), (239, 2798390), (245, 2729858), (478, 1399195), (490, 1364929), (1195, 559678), (1673, 399770), (2390, 279839), (3346, 199885), (5711, 117110), (8365, 79954), (11422, 58555), (11711, 57110), (16730, 39977), (23422, 28555)]