204567290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 411319296

約数和(自身を除く): 206752006

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 113, 115, 170, 226, 230, 391, 463, 565, 782, 926, 1130, 1921, 1955, 2315, 2599, 3842, 3910, 4630, 5198, 7871, 9605, 10649, 12995, 15742, 19210, 21298, 25990, 39355, 44183, 52319, 53245, 78710, 88366, 104638, 106490, 181033, 220915, 261595, 362066, 441830, 523190, 889423, 905165, 1203337, 1778846, 1810330, 2406674, 4447115, 6016685, 8894230, 12033370, 20456729, 40913458, 102283645, 204567290]

約数ペア:

[(1, 204567290), (2, 102283645), (5, 40913458), (10, 20456729), (17, 12033370), (23, 8894230), (34, 6016685), (46, 4447115), (85, 2406674), (113, 1810330), (115, 1778846), (170, 1203337), (226, 905165), (230, 889423), (391, 523190), (463, 441830), (565, 362066), (782, 261595), (926, 220915), (1130, 181033), (1921, 106490), (1955, 104638), (2315, 88366), (2599, 78710), (3842, 53245), (3910, 52319), (4630, 44183), (5198, 39355), (7871, 25990), (9605, 21298), (10649, 19210), (12995, 15742)]