999987520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1031}}^1$

素因数の和:1488

約数の個数: 112

約数和(自身を含む): 2730325248

約数和(自身を除く): 1730337728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 433, 448, 560, 866, 1031, 1120, 1732, 2062, 2165, 2240, 3031, 3464, 4124, 4330, 5155, 6062, 6928, 7217, 8248, 8660, 10310, 12124, 13856, 14434, 15155, 16496, 17320, 20620, 24248, 27712, 28868, 30310, 32992, 34640, 36085, 41240, 48496, 57736, 60620, 65984, 69280, 72170, 82480, 96992, 115472, 121240, 138560, 144340, 164960, 193984, 230944, 242480, 288680, 329920, 446423, 461888, 484960, 577360, 892846, 969920, 1154720, 1785692, 2232115, 2309440, 3124961, 3571384, 4464230, 6249922, 7142768, 8928460, 12499844, 14285536, 15624805, 17856920, 24999688, 28571072, 31249610, 35713840, 49999376, 62499220, 71427680, 99998752, 124998440, 142855360, 199997504, 249996880, 499993760, 999987520]

約数ペア:

[(1, 999987520), (2, 499993760), (4, 249996880), (5, 199997504), (7, 142855360), (8, 124998440), (10, 99998752), (14, 71427680), (16, 62499220), (20, 49999376), (28, 35713840), (32, 31249610), (35, 28571072), (40, 24999688), (56, 17856920), (64, 15624805), (70, 14285536), (80, 12499844), (112, 8928460), (140, 7142768), (160, 6249922), (224, 4464230), (280, 3571384), (320, 3124961), (433, 2309440), (448, 2232115), (560, 1785692), (866, 1154720), (1031, 969920), (1120, 892846), (1732, 577360), (2062, 484960), (2165, 461888), (2240, 446423), (3031, 329920), (3464, 288680), (4124, 242480), (4330, 230944), (5155, 193984), (6062, 164960), (6928, 144340), (7217, 138560), (8248, 121240), (8660, 115472), (10310, 96992), (12124, 82480), (13856, 72170), (14434, 69280), (15155, 65984), (16496, 60620), (17320, 57736), (20620, 48496), (24248, 41240), (27712, 36085), (28868, 34640), (30310, 32992)]