1004993920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 2839557600

約数和(自身を除く): 1834563680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 160, 196, 224, 245, 280, 292, 320, 365, 392, 439, 448, 490, 511, 560, 584, 640, 730, 784, 878, 896, 980, 1022, 1120, 1168, 1460, 1568, 1756, 1960, 2044, 2195, 2240, 2336, 2555, 2920, 3073, 3136, 3512, 3577, 3920, 4088, 4390, 4480, 4672, 5110, 5840, 6146, 6272, 7024, 7154, 7840, 8176, 8780, 9344, 10220, 11680, 12292, 14048, 14308, 15365, 15680, 16352, 17560, 17885, 20440, 21511, 23360, 24584, 28096, 28616, 30730, 31360, 32047, 32704, 35120, 35770, 40880, 43022, 46720, 49168, 56192, 57232, 61460, 64094, 65408, 70240, 71540, 81760, 86044, 98336, 107555, 114464, 122920, 128188, 140480, 143080, 160235, 163520, 172088, 196672, 215110, 224329, 228928, 245840, 256376, 280960, 286160, 320470, 327040, 344176, 393344, 430220, 448658, 457856, 491680, 512752, 572320, 640940, 688352, 860440, 897316, 983360, 1025504, 1121645, 1144640, 1281880, 1376704, 1570303, 1720880, 1794632, 1966720, 2051008, 2243290, 2289280, 2563760, 2753408, 3140606, 3441760, 3589264, 4102016, 4486580, 5127520, 6281212, 6883520, 7178528, 7851515, 8973160, 10255040, 12562424, 13767040, 14357056, 15703030, 17946320, 20510080, 25124848, 28714112, 31406060, 35892640, 50249696, 62812120, 71785280, 100499392, 125624240, 143570560, 200998784, 251248480, 502496960, 1004993920]

約数ペア:

[(1, 1004993920), (2, 502496960), (4, 251248480), (5, 200998784), (7, 143570560), (8, 125624240), (10, 100499392), (14, 71785280), (16, 62812120), (20, 50249696), (28, 35892640), (32, 31406060), (35, 28714112), (40, 25124848), (49, 20510080), (56, 17946320), (64, 15703030), (70, 14357056), (73, 13767040), (80, 12562424), (98, 10255040), (112, 8973160), (128, 7851515), (140, 7178528), (146, 6883520), (160, 6281212), (196, 5127520), (224, 4486580), (245, 4102016), (280, 3589264), (292, 3441760), (320, 3140606), (365, 2753408), (392, 2563760), (439, 2289280), (448, 2243290), (490, 2051008), (511, 1966720), (560, 1794632), (584, 1720880), (640, 1570303), (730, 1376704), (784, 1281880), (878, 1144640), (896, 1121645), (980, 1025504), (1022, 983360), (1120, 897316), (1168, 860440), (1460, 688352), (1568, 640940), (1756, 572320), (1960, 512752), (2044, 491680), (2195, 457856), (2240, 448658), (2336, 430220), (2555, 393344), (2920, 344176), (3073, 327040), (3136, 320470), (3512, 286160), (3577, 280960), (3920, 256376), (4088, 245840), (4390, 228928), (4480, 224329), (4672, 215110), (5110, 196672), (5840, 172088), (6146, 163520), (6272, 160235), (7024, 143080), (7154, 140480), (7840, 128188), (8176, 122920), (8780, 114464), (9344, 107555), (10220, 98336), (11680, 86044), (12292, 81760), (14048, 71540), (14308, 70240), (15365, 65408), (15680, 64094), (16352, 61460), (17560, 57232), (17885, 56192), (20440, 49168), (21511, 46720), (23360, 43022), (24584, 40880), (28096, 35770), (28616, 35120), (30730, 32704), (31360, 32047)]