231304290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2064

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 459895710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 174, 190, 203, 210, 266, 285, 290, 399, 406, 435, 551, 570, 609, 665, 798, 870, 1015, 1102, 1218, 1330, 1653, 1995, 1999, 2030, 2755, 3045, 3306, 3857, 3990, 3998, 5510, 5997, 6090, 7714, 8265, 9995, 11571, 11994, 13993, 16530, 19285, 19990, 23142, 27986, 29985, 37981, 38570, 41979, 57855, 57971, 59970, 69965, 75962, 83958, 113943, 115710, 115942, 139930, 173913, 189905, 209895, 227886, 265867, 289855, 347826, 379810, 405797, 419790, 531734, 569715, 579710, 797601, 811594, 869565, 1101449, 1139430, 1217391, 1329335, 1595202, 1739130, 2028985, 2202898, 2434782, 2658670, 3304347, 3988005, 4057970, 5507245, 6086955, 6608694, 7710143, 7976010, 11014490, 12173910, 15420286, 16521735, 23130429, 33043470, 38550715, 46260858, 77101430, 115652145, 231304290]

約数ペア:

[(1, 231304290), (2, 115652145), (3, 77101430), (5, 46260858), (6, 38550715), (7, 33043470), (10, 23130429), (14, 16521735), (15, 15420286), (19, 12173910), (21, 11014490), (29, 7976010), (30, 7710143), (35, 6608694), (38, 6086955), (42, 5507245), (57, 4057970), (58, 3988005), (70, 3304347), (87, 2658670), (95, 2434782), (105, 2202898), (114, 2028985), (133, 1739130), (145, 1595202), (174, 1329335), (190, 1217391), (203, 1139430), (210, 1101449), (266, 869565), (285, 811594), (290, 797601), (399, 579710), (406, 569715), (435, 531734), (551, 419790), (570, 405797), (609, 379810), (665, 347826), (798, 289855), (870, 265867), (1015, 227886), (1102, 209895), (1218, 189905), (1330, 173913), (1653, 139930), (1995, 115942), (1999, 115710), (2030, 113943), (2755, 83958), (3045, 75962), (3306, 69965), (3857, 59970), (3990, 57971), (3998, 57855), (5510, 41979), (5997, 38570), (6090, 37981), (7714, 29985), (8265, 27986), (9995, 23142), (11571, 19990), (11994, 19285), (13993, 16530)]