28625800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 81423360

約数和(自身を除く): 52797560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 127, 140, 161, 175, 184, 196, 200, 230, 245, 254, 280, 322, 350, 392, 460, 490, 508, 575, 635, 644, 700, 805, 889, 920, 980, 1016, 1127, 1150, 1225, 1270, 1288, 1400, 1610, 1778, 1960, 2254, 2300, 2450, 2540, 2921, 3175, 3220, 3556, 4025, 4445, 4508, 4600, 4900, 5080, 5635, 5842, 6223, 6350, 6440, 7112, 8050, 8890, 9016, 9800, 11270, 11684, 12446, 12700, 14605, 16100, 17780, 20447, 22225, 22540, 23368, 24892, 25400, 28175, 29210, 31115, 32200, 35560, 40894, 44450, 45080, 49784, 56350, 58420, 62230, 73025, 81788, 88900, 102235, 112700, 116840, 124460, 143129, 146050, 155575, 163576, 177800, 204470, 225400, 248920, 286258, 292100, 311150, 408940, 511175, 572516, 584200, 622300, 715645, 817880, 1022350, 1145032, 1244600, 1431290, 2044700, 2862580, 3578225, 4089400, 5725160, 7156450, 14312900, 28625800]

約数ペア:

[(1, 28625800), (2, 14312900), (4, 7156450), (5, 5725160), (7, 4089400), (8, 3578225), (10, 2862580), (14, 2044700), (20, 1431290), (23, 1244600), (25, 1145032), (28, 1022350), (35, 817880), (40, 715645), (46, 622300), (49, 584200), (50, 572516), (56, 511175), (70, 408940), (92, 311150), (98, 292100), (100, 286258), (115, 248920), (127, 225400), (140, 204470), (161, 177800), (175, 163576), (184, 155575), (196, 146050), (200, 143129), (230, 124460), (245, 116840), (254, 112700), (280, 102235), (322, 88900), (350, 81788), (392, 73025), (460, 62230), (490, 58420), (508, 56350), (575, 49784), (635, 45080), (644, 44450), (700, 40894), (805, 35560), (889, 32200), (920, 31115), (980, 29210), (1016, 28175), (1127, 25400), (1150, 24892), (1225, 23368), (1270, 22540), (1288, 22225), (1400, 20447), (1610, 17780), (1778, 16100), (1960, 14605), (2254, 12700), (2300, 12446), (2450, 11684), (2540, 11270), (2921, 9800), (3175, 9016), (3220, 8890), (3556, 8050), (4025, 7112), (4445, 6440), (4508, 6350), (4600, 6223), (4900, 5842), (5080, 5635)]