277207580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 654194688

約数和(自身を除く): 376987108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 163, 211, 260, 310, 326, 403, 422, 620, 652, 806, 815, 844, 1055, 1612, 1630, 2015, 2110, 2119, 2743, 3260, 4030, 4220, 4238, 5053, 5486, 6541, 8060, 8476, 10106, 10595, 10972, 13082, 13715, 20212, 21190, 25265, 26164, 27430, 32705, 34393, 42380, 50530, 54860, 65410, 65689, 68786, 85033, 101060, 130820, 131378, 137572, 170066, 171965, 262756, 328445, 340132, 343930, 425165, 447109, 656890, 687860, 850330, 894218, 1066183, 1313780, 1700660, 1788436, 2132366, 2235545, 4264732, 4471090, 5330915, 8942180, 10661830, 13860379, 21323660, 27720758, 55441516, 69301895, 138603790, 277207580]

約数ペア:

[(1, 277207580), (2, 138603790), (4, 69301895), (5, 55441516), (10, 27720758), (13, 21323660), (20, 13860379), (26, 10661830), (31, 8942180), (52, 5330915), (62, 4471090), (65, 4264732), (124, 2235545), (130, 2132366), (155, 1788436), (163, 1700660), (211, 1313780), (260, 1066183), (310, 894218), (326, 850330), (403, 687860), (422, 656890), (620, 447109), (652, 425165), (806, 343930), (815, 340132), (844, 328445), (1055, 262756), (1612, 171965), (1630, 170066), (2015, 137572), (2110, 131378), (2119, 130820), (2743, 101060), (3260, 85033), (4030, 68786), (4220, 65689), (4238, 65410), (5053, 54860), (5486, 50530), (6541, 42380), (8060, 34393), (8476, 32705), (10106, 27430), (10595, 26164), (10972, 25265), (13082, 21190), (13715, 20212)]