278357970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 755453952

約数和(自身を除く): 477095982

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 131, 137, 141, 165, 235, 262, 274, 282, 330, 393, 411, 470, 517, 655, 685, 705, 786, 822, 1034, 1310, 1370, 1410, 1441, 1507, 1551, 1965, 2055, 2585, 2882, 3014, 3102, 3930, 4110, 4323, 4521, 5170, 6157, 6439, 7205, 7535, 7755, 8646, 9042, 12314, 12878, 14410, 15070, 15510, 17947, 18471, 19317, 21615, 22605, 30785, 32195, 35894, 36942, 38634, 43230, 45210, 53841, 61570, 64390, 67727, 70829, 89735, 92355, 96585, 107682, 135454, 141658, 179470, 184710, 193170, 197417, 203181, 212487, 269205, 338635, 354145, 394834, 406362, 424974, 538410, 592251, 677270, 708290, 843509, 987085, 1015905, 1062435, 1184502, 1687018, 1974170, 2031810, 2124870, 2530527, 2961255, 4217545, 5061054, 5922510, 8435090, 9278599, 12652635, 18557198, 25305270, 27835797, 46392995, 55671594, 92785990, 139178985, 278357970]

約数ペア:

[(1, 278357970), (2, 139178985), (3, 92785990), (5, 55671594), (6, 46392995), (10, 27835797), (11, 25305270), (15, 18557198), (22, 12652635), (30, 9278599), (33, 8435090), (47, 5922510), (55, 5061054), (66, 4217545), (94, 2961255), (110, 2530527), (131, 2124870), (137, 2031810), (141, 1974170), (165, 1687018), (235, 1184502), (262, 1062435), (274, 1015905), (282, 987085), (330, 843509), (393, 708290), (411, 677270), (470, 592251), (517, 538410), (655, 424974), (685, 406362), (705, 394834), (786, 354145), (822, 338635), (1034, 269205), (1310, 212487), (1370, 203181), (1410, 197417), (1441, 193170), (1507, 184710), (1551, 179470), (1965, 141658), (2055, 135454), (2585, 107682), (2882, 96585), (3014, 92355), (3102, 89735), (3930, 70829), (4110, 67727), (4323, 64390), (4521, 61570), (5170, 53841), (6157, 45210), (6439, 43230), (7205, 38634), (7535, 36942), (7755, 35894), (8646, 32195), (9042, 30785), (12314, 22605), (12878, 21615), (14410, 19317), (15070, 18471), (15510, 17947)]