189978880

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 216

約数和(自身を含む): 572520312

約数和(自身を除く): 382541432

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 233, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 466, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 932, 980, 1040, 1120, 1165, 1274, 1280, 1456, 1568, 1631, 1664, 1792, 1820, 1864, 1960, 2080, 2240, 2330, 2548, 2912, 3029, 3136, 3185, 3262, 3328, 3640, 3728, 3920, 4160, 4480, 4660, 5096, 5824, 6058, 6272, 6370, 6524, 7280, 7456, 7840, 8155, 8320, 8960, 9320, 10192, 11417, 11648, 12116, 12544, 12740, 13048, 14560, 14912, 15145, 15680, 16310, 16640, 18640, 20384, 21203, 22834, 23296, 24232, 25480, 26096, 29120, 29824, 30290, 31360, 32620, 37280, 40768, 42406, 45668, 48464, 50960, 52192, 57085, 58240, 59648, 60580, 62720, 65240, 74560, 81536, 84812, 91336, 96928, 101920, 104384, 106015, 114170, 116480, 121160, 130480, 148421, 149120, 163072, 169624, 182672, 193856, 203840, 208768, 212030, 228340, 242320, 260960, 296842, 298240, 339248, 365344, 387712, 407680, 417536, 424060, 456680, 484640, 521920, 593684, 678496, 730688, 742105, 775424, 815360, 848120, 913360, 969280, 1043840, 1187368, 1356992, 1461376, 1484210, 1696240, 1826720, 1938560, 2087680, 2374736, 2713984, 2922752, 2968420, 3392480, 3653440, 3877120, 4749472, 5427968, 5936840, 6784960, 7306880, 9498944, 11873680, 13569920, 14613760, 18997888, 23747360, 27139840, 37995776, 47494720, 94989440, 189978880]

約数ペア:

[(1, 189978880), (2, 94989440), (4, 47494720), (5, 37995776), (7, 27139840), (8, 23747360), (10, 18997888), (13, 14613760), (14, 13569920), (16, 11873680), (20, 9498944), (26, 7306880), (28, 6784960), (32, 5936840), (35, 5427968), (40, 4749472), (49, 3877120), (52, 3653440), (56, 3392480), (64, 2968420), (65, 2922752), (70, 2713984), (80, 2374736), (91, 2087680), (98, 1938560), (104, 1826720), (112, 1696240), (128, 1484210), (130, 1461376), (140, 1356992), (160, 1187368), (182, 1043840), (196, 969280), (208, 913360), (224, 848120), (233, 815360), (245, 775424), (256, 742105), (260, 730688), (280, 678496), (320, 593684), (364, 521920), (392, 484640), (416, 456680), (448, 424060), (455, 417536), (466, 407680), (490, 387712), (520, 365344), (560, 339248), (637, 298240), (640, 296842), (728, 260960), (784, 242320), (832, 228340), (896, 212030), (910, 208768), (932, 203840), (980, 193856), (1040, 182672), (1120, 169624), (1165, 163072), (1274, 149120), (1280, 148421), (1456, 130480), (1568, 121160), (1631, 116480), (1664, 114170), (1792, 106015), (1820, 104384), (1864, 101920), (1960, 96928), (2080, 91336), (2240, 84812), (2330, 81536), (2548, 74560), (2912, 65240), (3029, 62720), (3136, 60580), (3185, 59648), (3262, 58240), (3328, 57085), (3640, 52192), (3728, 50960), (3920, 48464), (4160, 45668), (4480, 42406), (4660, 40768), (5096, 37280), (5824, 32620), (6058, 31360), (6272, 30290), (6370, 29824), (6524, 29120), (7280, 26096), (7456, 25480), (7840, 24232), (8155, 23296), (8320, 22834), (8960, 21203), (9320, 20384), (10192, 18640), (11417, 16640), (11648, 16310), (12116, 15680), (12544, 15145), (12740, 14912), (13048, 14560)]