208675090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 426892032

約数和(自身を除く): 218216942

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 101, 115, 130, 202, 230, 299, 505, 598, 691, 1010, 1313, 1382, 1495, 2323, 2626, 2990, 3455, 4646, 6565, 6910, 8983, 11615, 13130, 15893, 17966, 23230, 30199, 31786, 44915, 60398, 69791, 79465, 89830, 139582, 150995, 158930, 206609, 301990, 348955, 413218, 697910, 907283, 1033045, 1605193, 1814566, 2066090, 3210386, 4536415, 8025965, 9072830, 16051930, 20867509, 41735018, 104337545, 208675090]

約数ペア:

[(1, 208675090), (2, 104337545), (5, 41735018), (10, 20867509), (13, 16051930), (23, 9072830), (26, 8025965), (46, 4536415), (65, 3210386), (101, 2066090), (115, 1814566), (130, 1605193), (202, 1033045), (230, 907283), (299, 697910), (505, 413218), (598, 348955), (691, 301990), (1010, 206609), (1313, 158930), (1382, 150995), (1495, 139582), (2323, 89830), (2626, 79465), (2990, 69791), (3455, 60398), (4646, 44915), (6565, 31786), (6910, 30199), (8983, 23230), (11615, 17966), (13130, 15893)]