1799980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 96

約数和(自身を含む): 4967424

約数和(自身を除く): 3167444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 43, 46, 52, 65, 70, 86, 91, 92, 115, 130, 140, 161, 172, 182, 215, 230, 260, 299, 301, 322, 364, 430, 455, 460, 559, 598, 602, 644, 805, 860, 910, 989, 1118, 1196, 1204, 1495, 1505, 1610, 1820, 1978, 2093, 2236, 2795, 2990, 3010, 3220, 3913, 3956, 4186, 4945, 5590, 5980, 6020, 6923, 7826, 8372, 9890, 10465, 11180, 12857, 13846, 15652, 19565, 19780, 20930, 25714, 27692, 34615, 39130, 41860, 51428, 64285, 69230, 78260, 89999, 128570, 138460, 179998, 257140, 359996, 449995, 899990, 1799980]

約数ペア:

[(1, 1799980), (2, 899990), (4, 449995), (5, 359996), (7, 257140), (10, 179998), (13, 138460), (14, 128570), (20, 89999), (23, 78260), (26, 69230), (28, 64285), (35, 51428), (43, 41860), (46, 39130), (52, 34615), (65, 27692), (70, 25714), (86, 20930), (91, 19780), (92, 19565), (115, 15652), (130, 13846), (140, 12857), (161, 11180), (172, 10465), (182, 9890), (215, 8372), (230, 7826), (260, 6923), (299, 6020), (301, 5980), (322, 5590), (364, 4945), (430, 4186), (455, 3956), (460, 3913), (559, 3220), (598, 3010), (602, 2990), (644, 2795), (805, 2236), (860, 2093), (910, 1978), (989, 1820), (1118, 1610), (1196, 1505), (1204, 1495)]