402742400

素因数分解:

$2^7\times 5^2\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 96

約数和(自身を含む): 1003745280

約数和(自身を除く): 601002880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 320, 400, 508, 635, 640, 800, 991, 1016, 1270, 1600, 1982, 2032, 2540, 3175, 3200, 3964, 4064, 4955, 5080, 6350, 7928, 8128, 9910, 10160, 12700, 15856, 16256, 19820, 20320, 24775, 25400, 31712, 39640, 40640, 49550, 50800, 63424, 79280, 81280, 99100, 101600, 125857, 126848, 158560, 198200, 203200, 251714, 317120, 396400, 406400, 503428, 629285, 634240, 792800, 1006856, 1258570, 1585600, 2013712, 2517140, 3146425, 3171200, 4027424, 5034280, 6292850, 8054848, 10068560, 12585700, 16109696, 20137120, 25171400, 40274240, 50342800, 80548480, 100685600, 201371200, 402742400]

約数ペア:

[(1, 402742400), (2, 201371200), (4, 100685600), (5, 80548480), (8, 50342800), (10, 40274240), (16, 25171400), (20, 20137120), (25, 16109696), (32, 12585700), (40, 10068560), (50, 8054848), (64, 6292850), (80, 5034280), (100, 4027424), (127, 3171200), (128, 3146425), (160, 2517140), (200, 2013712), (254, 1585600), (320, 1258570), (400, 1006856), (508, 792800), (635, 634240), (640, 629285), (800, 503428), (991, 406400), (1016, 396400), (1270, 317120), (1600, 251714), (1982, 203200), (2032, 198200), (2540, 158560), (3175, 126848), (3200, 125857), (3964, 101600), (4064, 99100), (4955, 81280), (5080, 79280), (6350, 63424), (7928, 50800), (8128, 49550), (9910, 40640), (10160, 39640), (12700, 31712), (15856, 25400), (16256, 24775), (19820, 20320)]