389025280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1324

約数の個数: 160

約数和(自身を含む): 1129588416

約数和(自身を除く): 740563136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1277, 1280, 1360, 1792, 1904, 2176, 2240, 2380, 2554, 2560, 2720, 3584, 3808, 4352, 4480, 4760, 5108, 5440, 6385, 7616, 8704, 8939, 8960, 9520, 10216, 10880, 12770, 15232, 17878, 17920, 19040, 20432, 21709, 21760, 25540, 30464, 35756, 38080, 40864, 43418, 43520, 44695, 51080, 60928, 71512, 76160, 81728, 86836, 89390, 102160, 108545, 143024, 151963, 152320, 163456, 173672, 178780, 204320, 217090, 286048, 303926, 304640, 326912, 347344, 357560, 408640, 434180, 572096, 607852, 653824, 694688, 715120, 759815, 817280, 868360, 1144192, 1215704, 1389376, 1430240, 1519630, 1634560, 1736720, 2288384, 2431408, 2778752, 2860480, 3039260, 3269120, 3473440, 4576768, 4862816, 5557504, 5720960, 6078520, 6946880, 9725632, 11115008, 11441920, 12157040, 13893760, 19451264, 22883840, 24314080, 27787520, 38902528, 48628160, 55575040, 77805056, 97256320, 194512640, 389025280]

約数ペア:

[(1, 389025280), (2, 194512640), (4, 97256320), (5, 77805056), (7, 55575040), (8, 48628160), (10, 38902528), (14, 27787520), (16, 24314080), (17, 22883840), (20, 19451264), (28, 13893760), (32, 12157040), (34, 11441920), (35, 11115008), (40, 9725632), (56, 6946880), (64, 6078520), (68, 5720960), (70, 5557504), (80, 4862816), (85, 4576768), (112, 3473440), (119, 3269120), (128, 3039260), (136, 2860480), (140, 2778752), (160, 2431408), (170, 2288384), (224, 1736720), (238, 1634560), (256, 1519630), (272, 1430240), (280, 1389376), (320, 1215704), (340, 1144192), (448, 868360), (476, 817280), (512, 759815), (544, 715120), (560, 694688), (595, 653824), (640, 607852), (680, 572096), (896, 434180), (952, 408640), (1088, 357560), (1120, 347344), (1190, 326912), (1277, 304640), (1280, 303926), (1360, 286048), (1792, 217090), (1904, 204320), (2176, 178780), (2240, 173672), (2380, 163456), (2554, 152320), (2560, 151963), (2720, 143024), (3584, 108545), (3808, 102160), (4352, 89390), (4480, 86836), (4760, 81728), (5108, 76160), (5440, 71512), (6385, 60928), (7616, 51080), (8704, 44695), (8939, 43520), (8960, 43418), (9520, 40864), (10216, 38080), (10880, 35756), (12770, 30464), (15232, 25540), (17878, 21760), (17920, 21709), (19040, 20432)]