398856640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13697}}^1$

素因数の和:13734

約数の個数: 112

約数和(自身を含む): 1169042112

約数和(自身を除く): 770185472

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 13697, 14560, 27394, 29120, 54788, 68485, 95879, 109576, 136970, 178061, 191758, 219152, 273940, 356122, 383516, 438304, 479395, 547880, 712244, 767032, 876608, 890305, 958790, 1095760, 1246427, 1424488, 1534064, 1780610, 1917580, 2191520, 2492854, 2848976, 3068128, 3561220, 3835160, 4383040, 4985708, 5697952, 6136256, 6232135, 7122440, 7670320, 9971416, 11395904, 12464270, 14244880, 15340640, 19942832, 24928540, 28489760, 30681280, 39885664, 49857080, 56979520, 79771328, 99714160, 199428320, 398856640]

約数ペア:

[(1, 398856640), (2, 199428320), (4, 99714160), (5, 79771328), (7, 56979520), (8, 49857080), (10, 39885664), (13, 30681280), (14, 28489760), (16, 24928540), (20, 19942832), (26, 15340640), (28, 14244880), (32, 12464270), (35, 11395904), (40, 9971416), (52, 7670320), (56, 7122440), (64, 6232135), (65, 6136256), (70, 5697952), (80, 4985708), (91, 4383040), (104, 3835160), (112, 3561220), (130, 3068128), (140, 2848976), (160, 2492854), (182, 2191520), (208, 1917580), (224, 1780610), (260, 1534064), (280, 1424488), (320, 1246427), (364, 1095760), (416, 958790), (448, 890305), (455, 876608), (520, 767032), (560, 712244), (728, 547880), (832, 479395), (910, 438304), (1040, 383516), (1120, 356122), (1456, 273940), (1820, 219152), (2080, 191758), (2240, 178061), (2912, 136970), (3640, 109576), (4160, 95879), (5824, 68485), (7280, 54788), (13697, 29120), (14560, 27394)]