319444720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4335

約数の個数: 120

約数和(自身を含む): 909651600

約数和(自身を除く): 590206880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4289, 4655, 5320, 7448, 8578, 9310, 10640, 14896, 17156, 18620, 21445, 30023, 34312, 37240, 42890, 60046, 68624, 74480, 81491, 85780, 120092, 150115, 162982, 171560, 210161, 240184, 300230, 325964, 343120, 407455, 420322, 480368, 570437, 600460, 651928, 814910, 840644, 1050805, 1140874, 1200920, 1303856, 1629820, 1681288, 2101610, 2281748, 2401840, 2852185, 3259640, 3362576, 3993059, 4203220, 4563496, 5704370, 6519280, 7986118, 8406440, 9126992, 11408740, 15972236, 16812880, 19965295, 22817480, 31944472, 39930590, 45634960, 63888944, 79861180, 159722360, 319444720]

約数ペア:

[(1, 319444720), (2, 159722360), (4, 79861180), (5, 63888944), (7, 45634960), (8, 39930590), (10, 31944472), (14, 22817480), (16, 19965295), (19, 16812880), (20, 15972236), (28, 11408740), (35, 9126992), (38, 8406440), (40, 7986118), (49, 6519280), (56, 5704370), (70, 4563496), (76, 4203220), (80, 3993059), (95, 3362576), (98, 3259640), (112, 2852185), (133, 2401840), (140, 2281748), (152, 2101610), (190, 1681288), (196, 1629820), (245, 1303856), (266, 1200920), (280, 1140874), (304, 1050805), (380, 840644), (392, 814910), (490, 651928), (532, 600460), (560, 570437), (665, 480368), (760, 420322), (784, 407455), (931, 343120), (980, 325964), (1064, 300230), (1330, 240184), (1520, 210161), (1862, 171560), (1960, 162982), (2128, 150115), (2660, 120092), (3724, 85780), (3920, 81491), (4289, 74480), (4655, 68624), (5320, 60046), (7448, 42890), (8578, 37240), (9310, 34312), (10640, 30023), (14896, 21445), (17156, 18620)]