221026540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{5869}}^1$

素因数の和:6154

約数の個数: 48

約数和(自身を含む): 532526400

約数和(自身を除く): 311499860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 5869, 7532, 9415, 11738, 18830, 23476, 29345, 37660, 41083, 58690, 82166, 117380, 164332, 205415, 410830, 821660, 1578761, 3157522, 6315044, 7893805, 11051327, 15787610, 22102654, 31575220, 44205308, 55256635, 110513270, 221026540]

約数ペア:

[(1, 221026540), (2, 110513270), (4, 55256635), (5, 44205308), (7, 31575220), (10, 22102654), (14, 15787610), (20, 11051327), (28, 7893805), (35, 6315044), (70, 3157522), (140, 1578761), (269, 821660), (538, 410830), (1076, 205415), (1345, 164332), (1883, 117380), (2690, 82166), (3766, 58690), (5380, 41083), (5869, 37660), (7532, 29345), (9415, 23476), (11738, 18830)]