245832440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 661564800

約数和(自身を除く): 415732360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 61, 70, 74, 122, 140, 148, 185, 244, 259, 280, 296, 305, 370, 389, 427, 488, 518, 610, 740, 778, 854, 1036, 1220, 1295, 1480, 1556, 1708, 1945, 2072, 2135, 2257, 2440, 2590, 2723, 3112, 3416, 3890, 4270, 4514, 5180, 5446, 7780, 8540, 9028, 10360, 10892, 11285, 13615, 14393, 15560, 15799, 17080, 18056, 21784, 22570, 23729, 27230, 28786, 31598, 45140, 47458, 54460, 57572, 63196, 71965, 78995, 90280, 94916, 100751, 108920, 115144, 118645, 126392, 143930, 157990, 166103, 189832, 201502, 237290, 287860, 315980, 332206, 403004, 474580, 503755, 575720, 631960, 664412, 806008, 830515, 877973, 949160, 1007510, 1328824, 1661030, 1755946, 2015020, 3322060, 3511892, 4030040, 4389865, 6145811, 6644120, 7023784, 8779730, 12291622, 17559460, 24583244, 30729055, 35118920, 49166488, 61458110, 122916220, 245832440]

約数ペア:

[(1, 245832440), (2, 122916220), (4, 61458110), (5, 49166488), (7, 35118920), (8, 30729055), (10, 24583244), (14, 17559460), (20, 12291622), (28, 8779730), (35, 7023784), (37, 6644120), (40, 6145811), (56, 4389865), (61, 4030040), (70, 3511892), (74, 3322060), (122, 2015020), (140, 1755946), (148, 1661030), (185, 1328824), (244, 1007510), (259, 949160), (280, 877973), (296, 830515), (305, 806008), (370, 664412), (389, 631960), (427, 575720), (488, 503755), (518, 474580), (610, 403004), (740, 332206), (778, 315980), (854, 287860), (1036, 237290), (1220, 201502), (1295, 189832), (1480, 166103), (1556, 157990), (1708, 143930), (1945, 126392), (2072, 118645), (2135, 115144), (2257, 108920), (2440, 100751), (2590, 94916), (2723, 90280), (3112, 78995), (3416, 71965), (3890, 63196), (4270, 57572), (4514, 54460), (5180, 47458), (5446, 45140), (7780, 31598), (8540, 28786), (9028, 27230), (10360, 23729), (10892, 22570), (11285, 21784), (13615, 18056), (14393, 17080), (15560, 15799)]