19601960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 52387560

約数和(自身を除く): 32785600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 137, 140, 146, 196, 245, 274, 280, 292, 365, 392, 490, 511, 548, 584, 685, 730, 959, 980, 1022, 1096, 1370, 1460, 1918, 1960, 2044, 2555, 2740, 2920, 3577, 3836, 4088, 4795, 5110, 5480, 6713, 7154, 7672, 9590, 10001, 10220, 13426, 14308, 17885, 19180, 20002, 20440, 26852, 28616, 33565, 35770, 38360, 40004, 50005, 53704, 67130, 70007, 71540, 80008, 100010, 134260, 140014, 143080, 200020, 268520, 280028, 350035, 400040, 490049, 560056, 700070, 980098, 1400140, 1960196, 2450245, 2800280, 3920392, 4900490, 9800980, 19601960]

約数ペア:

[(1, 19601960), (2, 9800980), (4, 4900490), (5, 3920392), (7, 2800280), (8, 2450245), (10, 1960196), (14, 1400140), (20, 980098), (28, 700070), (35, 560056), (40, 490049), (49, 400040), (56, 350035), (70, 280028), (73, 268520), (98, 200020), (137, 143080), (140, 140014), (146, 134260), (196, 100010), (245, 80008), (274, 71540), (280, 70007), (292, 67130), (365, 53704), (392, 50005), (490, 40004), (511, 38360), (548, 35770), (584, 33565), (685, 28616), (730, 26852), (959, 20440), (980, 20002), (1022, 19180), (1096, 17885), (1370, 14308), (1460, 13426), (1918, 10220), (1960, 10001), (2044, 9590), (2555, 7672), (2740, 7154), (2920, 6713), (3577, 5480), (3836, 5110), (4088, 4795)]