1799683990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 3890073600

約数和(自身を除く): 2090389610

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 79, 95, 115, 130, 158, 190, 230, 247, 299, 395, 401, 437, 494, 598, 790, 802, 874, 1027, 1235, 1495, 1501, 1817, 2005, 2054, 2185, 2470, 2990, 3002, 3634, 4010, 4370, 5135, 5213, 5681, 7505, 7619, 9085, 9223, 10270, 10426, 11362, 15010, 15238, 18170, 18446, 19513, 23621, 26065, 28405, 31679, 34523, 38095, 39026, 46115, 47242, 52130, 56810, 63358, 69046, 76190, 92230, 97565, 99047, 118105, 119899, 158395, 172615, 175237, 195130, 198094, 236210, 239798, 316790, 345230, 350474, 411827, 448799, 495235, 599495, 601901, 728617, 823654, 876185, 897598, 990470, 1198990, 1203802, 1457234, 1752370, 2059135, 2243995, 2278081, 3009505, 3643085, 4118270, 4487990, 4556162, 6019010, 7286170, 7824713, 9472021, 11390405, 13843723, 15649426, 18944042, 22780810, 27687446, 39123565, 47360105, 69218615, 78247130, 94720210, 138437230, 179968399, 359936798, 899841995, 1799683990]

約数ペア:

[(1, 1799683990), (2, 899841995), (5, 359936798), (10, 179968399), (13, 138437230), (19, 94720210), (23, 78247130), (26, 69218615), (38, 47360105), (46, 39123565), (65, 27687446), (79, 22780810), (95, 18944042), (115, 15649426), (130, 13843723), (158, 11390405), (190, 9472021), (230, 7824713), (247, 7286170), (299, 6019010), (395, 4556162), (401, 4487990), (437, 4118270), (494, 3643085), (598, 3009505), (790, 2278081), (802, 2243995), (874, 2059135), (1027, 1752370), (1235, 1457234), (1495, 1203802), (1501, 1198990), (1817, 990470), (2005, 897598), (2054, 876185), (2185, 823654), (2470, 728617), (2990, 601901), (3002, 599495), (3634, 495235), (4010, 448799), (4370, 411827), (5135, 350474), (5213, 345230), (5681, 316790), (7505, 239798), (7619, 236210), (9085, 198094), (9223, 195130), (10270, 175237), (10426, 172615), (11362, 158395), (15010, 119899), (15238, 118105), (18170, 99047), (18446, 97565), (19513, 92230), (23621, 76190), (26065, 69046), (28405, 63358), (31679, 56810), (34523, 52130), (38095, 47242), (39026, 46115)]