819159040

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2895

約数の個数: 112

約数和(自身を含む): 2247485472

約数和(自身を除く): 1428326432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 2857, 3584, 4096, 4480, 5120, 5714, 7168, 8192, 8960, 10240, 11428, 14285, 14336, 17920, 19999, 20480, 22856, 28570, 28672, 35840, 39998, 40960, 45712, 57140, 57344, 71680, 79996, 91424, 99995, 114280, 143360, 159992, 182848, 199990, 228560, 286720, 319984, 365696, 399980, 457120, 639968, 731392, 799960, 914240, 1279936, 1462784, 1599920, 1828480, 2559872, 2925568, 3199840, 3656960, 5119744, 5851136, 6399680, 7313920, 10239488, 11702272, 12799360, 14627840, 20478976, 23404544, 25598720, 29255680, 40957952, 51197440, 58511360, 81915904, 102394880, 117022720, 163831808, 204789760, 409579520, 819159040]

約数ペア:

[(1, 819159040), (2, 409579520), (4, 204789760), (5, 163831808), (7, 117022720), (8, 102394880), (10, 81915904), (14, 58511360), (16, 51197440), (20, 40957952), (28, 29255680), (32, 25598720), (35, 23404544), (40, 20478976), (56, 14627840), (64, 12799360), (70, 11702272), (80, 10239488), (112, 7313920), (128, 6399680), (140, 5851136), (160, 5119744), (224, 3656960), (256, 3199840), (280, 2925568), (320, 2559872), (448, 1828480), (512, 1599920), (560, 1462784), (640, 1279936), (896, 914240), (1024, 799960), (1120, 731392), (1280, 639968), (1792, 457120), (2048, 399980), (2240, 365696), (2560, 319984), (2857, 286720), (3584, 228560), (4096, 199990), (4480, 182848), (5120, 159992), (5714, 143360), (7168, 114280), (8192, 99995), (8960, 91424), (10240, 79996), (11428, 71680), (14285, 57344), (14336, 57140), (17920, 45712), (19999, 40960), (20480, 39998), (22856, 35840), (28570, 28672)]