256859692990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1\times {\mathrm{27487}}^1$

素因数の和:28009

約数の個数: 64

約数和(自身を含む): 491617382400

約数和(自身を除く): 234757689410

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 359, 685, 718, 1370, 1795, 2603, 3590, 5206, 6821, 13015, 13642, 26030, 27487, 34105, 49183, 54974, 68210, 98366, 137435, 245915, 274870, 491830, 522253, 934477, 1044506, 1868954, 2611265, 3765719, 4672385, 5222530, 7531438, 9344770, 9867833, 18828595, 19735666, 37657190, 49339165, 71548661, 98678330, 143097322, 187488827, 357743305, 374977654, 715486610, 937444135, 1351893121, 1874888270, 2703786242, 6759465605, 13518931210, 25685969299, 51371938598, 128429846495, 256859692990]

約数ペア:

[(1, 256859692990), (2, 128429846495), (5, 51371938598), (10, 25685969299), (19, 13518931210), (38, 6759465605), (95, 2703786242), (137, 1874888270), (190, 1351893121), (274, 937444135), (359, 715486610), (685, 374977654), (718, 357743305), (1370, 187488827), (1795, 143097322), (2603, 98678330), (3590, 71548661), (5206, 49339165), (6821, 37657190), (13015, 19735666), (13642, 18828595), (26030, 9867833), (27487, 9344770), (34105, 7531438), (49183, 5222530), (54974, 4672385), (68210, 3765719), (98366, 2611265), (137435, 1868954), (245915, 1044506), (274870, 934477), (491830, 522253)]