168984860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40427}}^1$

素因数の和:40466

約数の個数: 48

約数和(自身を含む): 407514240

約数和(自身を除く): 238529380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 40427, 80854, 161708, 202135, 404270, 444697, 768113, 808540, 889394, 1536226, 1778788, 2223485, 3072452, 3840565, 4446970, 7681130, 8449243, 8893940, 15362260, 16898486, 33796972, 42246215, 84492430, 168984860]

約数ペア:

[(1, 168984860), (2, 84492430), (4, 42246215), (5, 33796972), (10, 16898486), (11, 15362260), (19, 8893940), (20, 8449243), (22, 7681130), (38, 4446970), (44, 3840565), (55, 3072452), (76, 2223485), (95, 1778788), (110, 1536226), (190, 889394), (209, 808540), (220, 768113), (380, 444697), (418, 404270), (836, 202135), (1045, 161708), (2090, 80854), (4180, 40427)]