221115440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4379

約数の個数: 120

約数和(自身を含む): 644177520

約数和(自身を除く): 423062080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4339, 5096, 6370, 7280, 8678, 10192, 12740, 17356, 21695, 25480, 30373, 34712, 43390, 50960, 56407, 60746, 69424, 86780, 112814, 121492, 151865, 173560, 212611, 225628, 242984, 282035, 303730, 347120, 394849, 425222, 451256, 485968, 564070, 607460, 789698, 850444, 902512, 1063055, 1128140, 1214920, 1579396, 1700888, 1974245, 2126110, 2256280, 2429840, 2763943, 3158792, 3401776, 3948490, 4252220, 4512560, 5527886, 6317584, 7896980, 8504440, 11055772, 13819715, 15793960, 17008880, 22111544, 27639430, 31587920, 44223088, 55278860, 110557720, 221115440]

約数ペア:

[(1, 221115440), (2, 110557720), (4, 55278860), (5, 44223088), (7, 31587920), (8, 27639430), (10, 22111544), (13, 17008880), (14, 15793960), (16, 13819715), (20, 11055772), (26, 8504440), (28, 7896980), (35, 6317584), (40, 5527886), (49, 4512560), (52, 4252220), (56, 3948490), (65, 3401776), (70, 3158792), (80, 2763943), (91, 2429840), (98, 2256280), (104, 2126110), (112, 1974245), (130, 1700888), (140, 1579396), (182, 1214920), (196, 1128140), (208, 1063055), (245, 902512), (260, 850444), (280, 789698), (364, 607460), (392, 564070), (455, 485968), (490, 451256), (520, 425222), (560, 394849), (637, 347120), (728, 303730), (784, 282035), (910, 242984), (980, 225628), (1040, 212611), (1274, 173560), (1456, 151865), (1820, 121492), (1960, 112814), (2548, 86780), (3185, 69424), (3640, 60746), (3920, 56407), (4339, 50960), (5096, 43390), (6370, 34712), (7280, 30373), (8678, 25480), (10192, 21695), (12740, 17356)]