209108480

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1704

約数の個数: 120

約数和(自身を含む): 583576488

約数和(自身を除く): 374468008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1667, 1792, 1960, 2240, 2560, 3136, 3334, 3584, 3920, 4480, 6272, 6668, 7840, 8335, 8960, 11669, 12544, 13336, 15680, 16670, 17920, 23338, 25088, 26672, 31360, 33340, 46676, 53344, 58345, 62720, 66680, 81683, 93352, 106688, 116690, 125440, 133360, 163366, 186704, 213376, 233380, 266720, 326732, 373408, 408415, 426752, 466760, 533440, 653464, 746816, 816830, 853504, 933520, 1066880, 1306928, 1493632, 1633660, 1867040, 2133760, 2613856, 2987264, 3267320, 3734080, 4267520, 5227712, 5974528, 6534640, 7468160, 10455424, 13069280, 14936320, 20910848, 26138560, 29872640, 41821696, 52277120, 104554240, 209108480]

約数ペア:

[(1, 209108480), (2, 104554240), (4, 52277120), (5, 41821696), (7, 29872640), (8, 26138560), (10, 20910848), (14, 14936320), (16, 13069280), (20, 10455424), (28, 7468160), (32, 6534640), (35, 5974528), (40, 5227712), (49, 4267520), (56, 3734080), (64, 3267320), (70, 2987264), (80, 2613856), (98, 2133760), (112, 1867040), (128, 1633660), (140, 1493632), (160, 1306928), (196, 1066880), (224, 933520), (245, 853504), (256, 816830), (280, 746816), (320, 653464), (392, 533440), (448, 466760), (490, 426752), (512, 408415), (560, 373408), (640, 326732), (784, 266720), (896, 233380), (980, 213376), (1120, 186704), (1280, 163366), (1568, 133360), (1667, 125440), (1792, 116690), (1960, 106688), (2240, 93352), (2560, 81683), (3136, 66680), (3334, 62720), (3584, 58345), (3920, 53344), (4480, 46676), (6272, 33340), (6668, 31360), (7840, 26672), (8335, 25088), (8960, 23338), (11669, 17920), (12544, 16670), (13336, 15680)]