256715030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5791}}^1$

素因数の和:5853

約数の個数: 64

約数和(自身を含む): 560480256

約数和(自身を除く): 303765226

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 5791, 8866, 11582, 22165, 28955, 44330, 57910, 63701, 75283, 127402, 150566, 179521, 318505, 359042, 376415, 637010, 752830, 828113, 897605, 1656226, 1795210, 1974731, 2333773, 3949462, 4140565, 4667546, 8281130, 9873655, 11668865, 19747310, 23337730, 25671503, 51343006, 128357515, 256715030]

約数ペア:

[(1, 256715030), (2, 128357515), (5, 51343006), (10, 25671503), (11, 23337730), (13, 19747310), (22, 11668865), (26, 9873655), (31, 8281130), (55, 4667546), (62, 4140565), (65, 3949462), (110, 2333773), (130, 1974731), (143, 1795210), (155, 1656226), (286, 897605), (310, 828113), (341, 752830), (403, 637010), (682, 376415), (715, 359042), (806, 318505), (1430, 179521), (1705, 150566), (2015, 127402), (3410, 75283), (4030, 63701), (4433, 57910), (5791, 44330), (8866, 28955), (11582, 22165)]