1998715008

素因数分解:

$2^7\times 3^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 5413262400

約数和(自身を除く): 3414547392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 178, 192, 233, 251, 267, 356, 384, 466, 502, 534, 699, 712, 753, 932, 1004, 1068, 1398, 1424, 1506, 1864, 2008, 2136, 2796, 2848, 3012, 3728, 4016, 4272, 5592, 5696, 6024, 7456, 8032, 8544, 11184, 11392, 12048, 14912, 16064, 17088, 20737, 22339, 22368, 24096, 29824, 32128, 34176, 41474, 44678, 44736, 48192, 58483, 62211, 67017, 82948, 89356, 89472, 96384, 116966, 124422, 134034, 165896, 175449, 178712, 233932, 248844, 268068, 331792, 350898, 357424, 467864, 497688, 536136, 663584, 701796, 714848, 935728, 995376, 1072272, 1327168, 1403592, 1429696, 1871456, 1990752, 2144544, 2654336, 2807184, 2859392, 3742912, 3981504, 4289088, 5204987, 5614368, 7485824, 7963008, 8578176, 10409974, 11228736, 15614961, 20819948, 22457472, 31229922, 41639896, 62459844, 83279792, 124919688, 166559584, 249839376, 333119168, 499678752, 666238336, 999357504, 1998715008]

約数ペア:

[(1, 1998715008), (2, 999357504), (3, 666238336), (4, 499678752), (6, 333119168), (8, 249839376), (12, 166559584), (16, 124919688), (24, 83279792), (32, 62459844), (48, 41639896), (64, 31229922), (89, 22457472), (96, 20819948), (128, 15614961), (178, 11228736), (192, 10409974), (233, 8578176), (251, 7963008), (267, 7485824), (356, 5614368), (384, 5204987), (466, 4289088), (502, 3981504), (534, 3742912), (699, 2859392), (712, 2807184), (753, 2654336), (932, 2144544), (1004, 1990752), (1068, 1871456), (1398, 1429696), (1424, 1403592), (1506, 1327168), (1864, 1072272), (2008, 995376), (2136, 935728), (2796, 714848), (2848, 701796), (3012, 663584), (3728, 536136), (4016, 497688), (4272, 467864), (5592, 357424), (5696, 350898), (6024, 331792), (7456, 268068), (8032, 248844), (8544, 233932), (11184, 178712), (11392, 175449), (12048, 165896), (14912, 134034), (16064, 124422), (17088, 116966), (20737, 96384), (22339, 89472), (22368, 89356), (24096, 82948), (29824, 67017), (32128, 62211), (34176, 58483), (41474, 48192), (44678, 44736)]