389941020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{14737}}^1$

素因数の和:14769

約数の個数: 144

約数和(自身を含む): 1411310880

約数和(自身を除く): 1021369860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 14737, 26460, 29474, 44211, 58948, 73685, 88422, 103159, 132633, 147370, 176844, 206318, 221055, 265266, 294740, 309477, 397899, 412636, 442110, 515795, 530532, 618954, 663165, 722113, 795798, 884220, 928431, 1031590, 1237908, 1326330, 1444226, 1547385, 1591596, 1856862, 1989495, 2063180, 2166339, 2652660, 2785293, 2888452, 3094770, 3610565, 3713724, 3978990, 4332678, 4642155, 5570586, 6189540, 6499017, 7221130, 7957980, 8665356, 9284310, 10831695, 11141172, 12998034, 13926465, 14442260, 18568620, 19497051, 21663390, 25996068, 27852930, 32495085, 38994102, 43326780, 55705860, 64990170, 77988204, 97485255, 129980340, 194970510, 389941020]

約数ペア:

[(1, 389941020), (2, 194970510), (3, 129980340), (4, 97485255), (5, 77988204), (6, 64990170), (7, 55705860), (9, 43326780), (10, 38994102), (12, 32495085), (14, 27852930), (15, 25996068), (18, 21663390), (20, 19497051), (21, 18568620), (27, 14442260), (28, 13926465), (30, 12998034), (35, 11141172), (36, 10831695), (42, 9284310), (45, 8665356), (49, 7957980), (54, 7221130), (60, 6499017), (63, 6189540), (70, 5570586), (84, 4642155), (90, 4332678), (98, 3978990), (105, 3713724), (108, 3610565), (126, 3094770), (135, 2888452), (140, 2785293), (147, 2652660), (180, 2166339), (189, 2063180), (196, 1989495), (210, 1856862), (245, 1591596), (252, 1547385), (270, 1444226), (294, 1326330), (315, 1237908), (378, 1031590), (420, 928431), (441, 884220), (490, 795798), (540, 722113), (588, 663165), (630, 618954), (735, 530532), (756, 515795), (882, 442110), (945, 412636), (980, 397899), (1260, 309477), (1323, 294740), (1470, 265266), (1764, 221055), (1890, 206318), (2205, 176844), (2646, 147370), (2940, 132633), (3780, 103159), (4410, 88422), (5292, 73685), (6615, 58948), (8820, 44211), (13230, 29474), (14737, 26460)]