393910020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{14887}}^1$

素因数の和:14919

約数の個数: 144

約数和(自身を含む): 1425674880

約数和(自身を除く): 1031764860

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, 14887, 26460, 29774, 44661, 59548, 74435, 89322, 104209, 133983, 148870, 178644, 208418, 223305, 267966, 297740, 312627, 401949, 416836, 446610, 521045, 535932, 625254, 669915, 729463, 803898, 893220, 937881, 1042090, 1250508, 1339830, 1458926, 1563135, 1607796, 1875762, 2009745, 2084180, 2188389, 2679660, 2813643, 2917852, 3126270, 3647315, 3751524, 4019490, 4376778, 4689405, 5627286, 6252540, 6565167, 7294630, 8038980, 8753556, 9378810, 10941945, 11254572, 13130334, 14068215, 14589260, 18757620, 19695501, 21883890, 26260668, 28136430, 32825835, 39391002, 43767780, 56272860, 65651670, 78782004, 98477505, 131303340, 196955010, 393910020]

約数ペア:

[(1, 393910020), (2, 196955010), (3, 131303340), (4, 98477505), (5, 78782004), (6, 65651670), (7, 56272860), (9, 43767780), (10, 39391002), (12, 32825835), (14, 28136430), (15, 26260668), (18, 21883890), (20, 19695501), (21, 18757620), (27, 14589260), (28, 14068215), (30, 13130334), (35, 11254572), (36, 10941945), (42, 9378810), (45, 8753556), (49, 8038980), (54, 7294630), (60, 6565167), (63, 6252540), (70, 5627286), (84, 4689405), (90, 4376778), (98, 4019490), (105, 3751524), (108, 3647315), (126, 3126270), (135, 2917852), (140, 2813643), (147, 2679660), (180, 2188389), (189, 2084180), (196, 2009745), (210, 1875762), (245, 1607796), (252, 1563135), (270, 1458926), (294, 1339830), (315, 1250508), (378, 1042090), (420, 937881), (441, 893220), (490, 803898), (540, 729463), (588, 669915), (630, 625254), (735, 535932), (756, 521045), (882, 446610), (945, 416836), (980, 401949), (1260, 312627), (1323, 297740), (1470, 267966), (1764, 223305), (1890, 208418), (2205, 178644), (2646, 148870), (2940, 133983), (3780, 104209), (4410, 89322), (5292, 74435), (6615, 59548), (8820, 44661), (13230, 29774), (14887, 26460)]