128519860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 325140480

約数和(自身を除く): 196620620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 167, 230, 239, 322, 334, 460, 478, 644, 668, 805, 835, 956, 1169, 1195, 1610, 1670, 1673, 2338, 2390, 3220, 3340, 3346, 3841, 4676, 4780, 5497, 5845, 6692, 7682, 8365, 10994, 11690, 15364, 16730, 19205, 21988, 23380, 26887, 27485, 33460, 38410, 38479, 39913, 53774, 54970, 76820, 76958, 79826, 107548, 109940, 134435, 153916, 159652, 192395, 199565, 268870, 279391, 384790, 399130, 537740, 558782, 769580, 798260, 917999, 1117564, 1396955, 1835998, 2793910, 3671996, 4589995, 5587820, 6425993, 9179990, 12851986, 18359980, 25703972, 32129965, 64259930, 128519860]

約数ペア:

[(1, 128519860), (2, 64259930), (4, 32129965), (5, 25703972), (7, 18359980), (10, 12851986), (14, 9179990), (20, 6425993), (23, 5587820), (28, 4589995), (35, 3671996), (46, 2793910), (70, 1835998), (92, 1396955), (115, 1117564), (140, 917999), (161, 798260), (167, 769580), (230, 558782), (239, 537740), (322, 399130), (334, 384790), (460, 279391), (478, 268870), (644, 199565), (668, 192395), (805, 159652), (835, 153916), (956, 134435), (1169, 109940), (1195, 107548), (1610, 79826), (1670, 76958), (1673, 76820), (2338, 54970), (2390, 53774), (3220, 39913), (3340, 38479), (3346, 38410), (3841, 33460), (4676, 27485), (4780, 26887), (5497, 23380), (5845, 21988), (6692, 19205), (7682, 16730), (8365, 15364), (10994, 11690)]