201809090920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{164839}}^1$

素因数の和:165218

約数の個数: 64

約数和(自身を含む): 459547545600

約数和(自身を除く): 257738454680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 241, 254, 482, 508, 635, 964, 1016, 1205, 1270, 1928, 2410, 2540, 4820, 5080, 9640, 30607, 61214, 122428, 153035, 164839, 244856, 306070, 329678, 612140, 659356, 824195, 1224280, 1318712, 1648390, 3296780, 6593560, 20934553, 39726199, 41869106, 79452398, 83738212, 104672765, 158904796, 167476424, 198630995, 209345530, 317809592, 397261990, 418691060, 794523980, 837382120, 1589047960, 5045227273, 10090454546, 20180909092, 25226136365, 40361818184, 50452272730, 100904545460, 201809090920]

約数ペア:

[(1, 201809090920), (2, 100904545460), (4, 50452272730), (5, 40361818184), (8, 25226136365), (10, 20180909092), (20, 10090454546), (40, 5045227273), (127, 1589047960), (241, 837382120), (254, 794523980), (482, 418691060), (508, 397261990), (635, 317809592), (964, 209345530), (1016, 198630995), (1205, 167476424), (1270, 158904796), (1928, 104672765), (2410, 83738212), (2540, 79452398), (4820, 41869106), (5080, 39726199), (9640, 20934553), (30607, 6593560), (61214, 3296780), (122428, 1648390), (153035, 1318712), (164839, 1224280), (244856, 824195), (306070, 659356), (329678, 612140)]