78560300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 214361280

約数和(自身を除く): 135800980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 89, 91, 97, 100, 130, 140, 175, 178, 182, 194, 260, 325, 350, 356, 364, 388, 445, 455, 485, 623, 650, 679, 700, 890, 910, 970, 1157, 1246, 1261, 1300, 1358, 1780, 1820, 1940, 2225, 2275, 2314, 2425, 2492, 2522, 2716, 3115, 3395, 4450, 4550, 4628, 4850, 5044, 5785, 6230, 6305, 6790, 8099, 8633, 8827, 8900, 9100, 9700, 11570, 12460, 12610, 13580, 15575, 16198, 16975, 17266, 17654, 23140, 25220, 28925, 31150, 31525, 32396, 33950, 34532, 35308, 40495, 43165, 44135, 57850, 60431, 62300, 63050, 67900, 80990, 86330, 88270, 112229, 115700, 120862, 126100, 161980, 172660, 176540, 202475, 215825, 220675, 224458, 241724, 302155, 404950, 431650, 441350, 448916, 561145, 604310, 785603, 809900, 863300, 882700, 1122290, 1208620, 1510775, 1571206, 2244580, 2805725, 3021550, 3142412, 3928015, 5611450, 6043100, 7856030, 11222900, 15712060, 19640075, 39280150, 78560300]

約数ペア:

[(1, 78560300), (2, 39280150), (4, 19640075), (5, 15712060), (7, 11222900), (10, 7856030), (13, 6043100), (14, 5611450), (20, 3928015), (25, 3142412), (26, 3021550), (28, 2805725), (35, 2244580), (50, 1571206), (52, 1510775), (65, 1208620), (70, 1122290), (89, 882700), (91, 863300), (97, 809900), (100, 785603), (130, 604310), (140, 561145), (175, 448916), (178, 441350), (182, 431650), (194, 404950), (260, 302155), (325, 241724), (350, 224458), (356, 220675), (364, 215825), (388, 202475), (445, 176540), (455, 172660), (485, 161980), (623, 126100), (650, 120862), (679, 115700), (700, 112229), (890, 88270), (910, 86330), (970, 80990), (1157, 67900), (1246, 63050), (1261, 62300), (1300, 60431), (1358, 57850), (1780, 44135), (1820, 43165), (1940, 40495), (2225, 35308), (2275, 34532), (2314, 33950), (2425, 32396), (2492, 31525), (2522, 31150), (2716, 28925), (3115, 25220), (3395, 23140), (4450, 17654), (4550, 17266), (4628, 16975), (4850, 16198), (5044, 15575), (5785, 13580), (6230, 12610), (6305, 12460), (6790, 11570), (8099, 9700), (8633, 9100), (8827, 8900)]