278049135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 588349440

約数和(自身を除く): 310300305

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 71, 91, 95, 105, 133, 151, 195, 213, 247, 273, 285, 355, 399, 453, 455, 497, 665, 741, 755, 923, 1057, 1065, 1235, 1349, 1365, 1491, 1729, 1963, 1995, 2265, 2485, 2769, 2869, 3171, 3705, 4047, 4615, 5187, 5285, 5889, 6461, 6745, 7455, 8607, 8645, 9443, 9815, 10721, 13741, 13845, 14345, 15855, 17537, 19383, 20083, 20235, 25935, 28329, 29445, 32163, 32305, 37297, 41223, 43035, 47215, 52611, 53605, 60249, 68705, 75047, 87685, 96915, 100415, 111891, 122759, 139373, 141645, 160815, 186485, 203699, 206115, 225141, 261079, 263055, 301245, 368277, 375235, 418119, 559455, 611097, 613795, 696865, 783237, 975611, 1018495, 1125705, 1305395, 1425893, 1841385, 2090595, 2648087, 2926833, 3055485, 3916185, 4277679, 4878055, 7129465, 7944261, 13240435, 14634165, 18536609, 21388395, 39721305, 55609827, 92683045, 278049135]

約数ペア:

[(1, 278049135), (3, 92683045), (5, 55609827), (7, 39721305), (13, 21388395), (15, 18536609), (19, 14634165), (21, 13240435), (35, 7944261), (39, 7129465), (57, 4878055), (65, 4277679), (71, 3916185), (91, 3055485), (95, 2926833), (105, 2648087), (133, 2090595), (151, 1841385), (195, 1425893), (213, 1305395), (247, 1125705), (273, 1018495), (285, 975611), (355, 783237), (399, 696865), (453, 613795), (455, 611097), (497, 559455), (665, 418119), (741, 375235), (755, 368277), (923, 301245), (1057, 263055), (1065, 261079), (1235, 225141), (1349, 206115), (1365, 203699), (1491, 186485), (1729, 160815), (1963, 141645), (1995, 139373), (2265, 122759), (2485, 111891), (2769, 100415), (2869, 96915), (3171, 87685), (3705, 75047), (4047, 68705), (4615, 60249), (5187, 53605), (5285, 52611), (5889, 47215), (6461, 43035), (6745, 41223), (7455, 37297), (8607, 32305), (8645, 32163), (9443, 29445), (9815, 28329), (10721, 25935), (13741, 20235), (13845, 20083), (14345, 19383), (15855, 17537)]