328204040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 784287360

約数和(自身を除く): 456083320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 491, 680, 982, 983, 1964, 1966, 2455, 3928, 3932, 4910, 4915, 7864, 8347, 9820, 9830, 16694, 16711, 19640, 19660, 33388, 33422, 39320, 41735, 66776, 66844, 83470, 83555, 133688, 166940, 167110, 333880, 334220, 482653, 668440, 965306, 1930612, 2413265, 3861224, 4826530, 8205101, 9653060, 16410202, 19306120, 32820404, 41025505, 65640808, 82051010, 164102020, 328204040]

約数ペア:

[(1, 328204040), (2, 164102020), (4, 82051010), (5, 65640808), (8, 41025505), (10, 32820404), (17, 19306120), (20, 16410202), (34, 9653060), (40, 8205101), (68, 4826530), (85, 3861224), (136, 2413265), (170, 1930612), (340, 965306), (491, 668440), (680, 482653), (982, 334220), (983, 333880), (1964, 167110), (1966, 166940), (2455, 133688), (3928, 83555), (3932, 83470), (4910, 66844), (4915, 66776), (7864, 41735), (8347, 39320), (9820, 33422), (9830, 33388), (16694, 19660), (16711, 19640)]