210317842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 392232960

約数和(自身を除く): 181915118

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 127, 139, 161, 254, 259, 278, 322, 518, 851, 889, 973, 1702, 1778, 1946, 2921, 3197, 4699, 5143, 5842, 5957, 6394, 9398, 10286, 11914, 17653, 20447, 22379, 32893, 35306, 36001, 40894, 44758, 65786, 72002, 108077, 118289, 123571, 216154, 236578, 247142, 406019, 653161, 756539, 812038, 828023, 1306322, 1513078, 1656046, 2842133, 4572127, 5684266, 9144254, 15022703, 30045406, 105158921, 210317842]

約数ペア:

[(1, 210317842), (2, 105158921), (7, 30045406), (14, 15022703), (23, 9144254), (37, 5684266), (46, 4572127), (74, 2842133), (127, 1656046), (139, 1513078), (161, 1306322), (254, 828023), (259, 812038), (278, 756539), (322, 653161), (518, 406019), (851, 247142), (889, 236578), (973, 216154), (1702, 123571), (1778, 118289), (1946, 108077), (2921, 72002), (3197, 65786), (4699, 44758), (5143, 40894), (5842, 36001), (5957, 35306), (6394, 32893), (9398, 22379), (10286, 20447), (11914, 17653)]