214771970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 459993600

約数和(自身を除く): 245221630

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 241, 290, 406, 439, 482, 878, 1015, 1205, 1687, 2030, 2195, 2410, 3073, 3374, 4390, 6146, 6989, 8435, 12731, 13978, 15365, 16870, 25462, 30730, 34945, 48923, 63655, 69890, 89117, 97846, 105799, 127310, 178234, 211598, 244615, 445585, 489230, 528995, 740593, 891170, 1057990, 1481186, 3068171, 3702965, 6136342, 7405930, 15340855, 21477197, 30681710, 42954394, 107385985, 214771970]

約数ペア:

[(1, 214771970), (2, 107385985), (5, 42954394), (7, 30681710), (10, 21477197), (14, 15340855), (29, 7405930), (35, 6136342), (58, 3702965), (70, 3068171), (145, 1481186), (203, 1057990), (241, 891170), (290, 740593), (406, 528995), (439, 489230), (482, 445585), (878, 244615), (1015, 211598), (1205, 178234), (1687, 127310), (2030, 105799), (2195, 97846), (2410, 89117), (3073, 69890), (3374, 63655), (4390, 48923), (6146, 34945), (6989, 30730), (8435, 25462), (12731, 16870), (13978, 15365)]