209027840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 587200320

約数和(自身を除く): 378172480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 560, 569, 574, 640, 656, 820, 896, 1120, 1138, 1148, 1280, 1312, 1435, 1640, 1792, 2240, 2276, 2296, 2624, 2845, 2870, 3280, 3983, 4480, 4552, 4592, 5248, 5690, 5740, 6560, 7966, 8960, 9104, 9184, 10496, 11380, 11480, 13120, 15932, 18208, 18368, 19915, 22760, 22960, 23329, 26240, 31864, 36416, 36736, 39830, 45520, 45920, 46658, 52480, 63728, 72832, 73472, 79660, 91040, 91840, 93316, 116645, 127456, 145664, 159320, 163303, 182080, 183680, 186632, 233290, 254912, 318640, 326606, 364160, 367360, 373264, 466580, 509824, 637280, 653212, 728320, 746528, 816515, 933160, 1019648, 1274560, 1306424, 1493056, 1633030, 1866320, 2549120, 2612848, 2986112, 3266060, 3732640, 5098240, 5225696, 5972224, 6532120, 7465280, 10451392, 13064240, 14930560, 20902784, 26128480, 29861120, 41805568, 52256960, 104513920, 209027840]

約数ペア:

[(1, 209027840), (2, 104513920), (4, 52256960), (5, 41805568), (7, 29861120), (8, 26128480), (10, 20902784), (14, 14930560), (16, 13064240), (20, 10451392), (28, 7465280), (32, 6532120), (35, 5972224), (40, 5225696), (41, 5098240), (56, 3732640), (64, 3266060), (70, 2986112), (80, 2612848), (82, 2549120), (112, 1866320), (128, 1633030), (140, 1493056), (160, 1306424), (164, 1274560), (205, 1019648), (224, 933160), (256, 816515), (280, 746528), (287, 728320), (320, 653212), (328, 637280), (410, 509824), (448, 466580), (560, 373264), (569, 367360), (574, 364160), (640, 326606), (656, 318640), (820, 254912), (896, 233290), (1120, 186632), (1138, 183680), (1148, 182080), (1280, 163303), (1312, 159320), (1435, 145664), (1640, 127456), (1792, 116645), (2240, 93316), (2276, 91840), (2296, 91040), (2624, 79660), (2845, 73472), (2870, 72832), (3280, 63728), (3983, 52480), (4480, 46658), (4552, 45920), (4592, 45520), (5248, 39830), (5690, 36736), (5740, 36416), (6560, 31864), (7966, 26240), (8960, 23329), (9104, 22960), (9184, 22760), (10496, 19915), (11380, 18368), (11480, 18208), (13120, 15932)]