91799900

素因数分解:

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

素因数の和:443

約数の個数: 72

約数和(自身を含む): 209986560

約数和(自身を除く): 118186660

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 167, 230, 239, 334, 460, 478, 575, 668, 835, 956, 1150, 1195, 1670, 2300, 2390, 3340, 3841, 4175, 4780, 5497, 5975, 7682, 8350, 10994, 11950, 15364, 16700, 19205, 21988, 23900, 27485, 38410, 39913, 54970, 76820, 79826, 96025, 109940, 137425, 159652, 192050, 199565, 274850, 384100, 399130, 549700, 798260, 917999, 997825, 1835998, 1995650, 3671996, 3991300, 4589995, 9179990, 18359980, 22949975, 45899950, 91799900]

約数ペア:

[(1, 91799900), (2, 45899950), (4, 22949975), (5, 18359980), (10, 9179990), (20, 4589995), (23, 3991300), (25, 3671996), (46, 1995650), (50, 1835998), (92, 997825), (100, 917999), (115, 798260), (167, 549700), (230, 399130), (239, 384100), (334, 274850), (460, 199565), (478, 192050), (575, 159652), (668, 137425), (835, 109940), (956, 96025), (1150, 79826), (1195, 76820), (1670, 54970), (2300, 39913), (2390, 38410), (3340, 27485), (3841, 23900), (4175, 21988), (4780, 19205), (5497, 16700), (5975, 15364), (7682, 11950), (8350, 10994)]