298330760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2071

約数の個数: 128

約数和(自身を含む): 846720000

約数和(自身を除く): 548389240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 1999, 2132, 2296, 2665, 2870, 3640, 3731, 3998, 4264, 5330, 5740, 7462, 7996, 9995, 10660, 11480, 13993, 14924, 15992, 18655, 19990, 21320, 25987, 27986, 29848, 37310, 39980, 51974, 55972, 69965, 74620, 79960, 81959, 103948, 111944, 129935, 139930, 149240, 163918, 181909, 207896, 259870, 279860, 327836, 363818, 409795, 519740, 559720, 573713, 655672, 727636, 819590, 909545, 1039480, 1065467, 1147426, 1455272, 1639180, 1819090, 2130934, 2294852, 2868565, 3278360, 3638180, 4261868, 4589704, 5327335, 5737130, 7276360, 7458269, 8523736, 10654670, 11474260, 14916538, 21309340, 22948520, 29833076, 37291345, 42618680, 59666152, 74582690, 149165380, 298330760]

約数ペア:

[(1, 298330760), (2, 149165380), (4, 74582690), (5, 59666152), (7, 42618680), (8, 37291345), (10, 29833076), (13, 22948520), (14, 21309340), (20, 14916538), (26, 11474260), (28, 10654670), (35, 8523736), (40, 7458269), (41, 7276360), (52, 5737130), (56, 5327335), (65, 4589704), (70, 4261868), (82, 3638180), (91, 3278360), (104, 2868565), (130, 2294852), (140, 2130934), (164, 1819090), (182, 1639180), (205, 1455272), (260, 1147426), (280, 1065467), (287, 1039480), (328, 909545), (364, 819590), (410, 727636), (455, 655672), (520, 573713), (533, 559720), (574, 519740), (728, 409795), (820, 363818), (910, 327836), (1066, 279860), (1148, 259870), (1435, 207896), (1640, 181909), (1820, 163918), (1999, 149240), (2132, 139930), (2296, 129935), (2665, 111944), (2870, 103948), (3640, 81959), (3731, 79960), (3998, 74620), (4264, 69965), (5330, 55972), (5740, 51974), (7462, 39980), (7996, 37310), (9995, 29848), (10660, 27986), (11480, 25987), (13993, 21320), (14924, 19990), (15992, 18655)]