259797890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 521769600

約数和(自身を除く): 261971710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 131, 149, 242, 262, 298, 605, 655, 745, 1210, 1310, 1331, 1441, 1490, 1639, 2662, 2882, 3278, 6655, 7205, 8195, 13310, 14410, 15851, 16390, 18029, 19519, 31702, 36058, 39038, 79255, 90145, 97595, 158510, 174361, 180290, 195190, 198319, 214709, 348722, 396638, 429418, 871805, 991595, 1073545, 1743610, 1983190, 2147090, 2361799, 4723598, 11808995, 23617990, 25979789, 51959578, 129898945, 259797890]

約数ペア:

[(1, 259797890), (2, 129898945), (5, 51959578), (10, 25979789), (11, 23617990), (22, 11808995), (55, 4723598), (110, 2361799), (121, 2147090), (131, 1983190), (149, 1743610), (242, 1073545), (262, 991595), (298, 871805), (605, 429418), (655, 396638), (745, 348722), (1210, 214709), (1310, 198319), (1331, 195190), (1441, 180290), (1490, 174361), (1639, 158510), (2662, 97595), (2882, 90145), (3278, 79255), (6655, 39038), (7205, 36058), (8195, 31702), (13310, 19519), (14410, 18029), (15851, 16390)]