222736940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 477114624

約数和(自身を除く): 254377684

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 227, 284, 355, 454, 691, 710, 908, 1135, 1382, 1420, 2270, 2764, 3455, 4540, 6910, 13820, 16117, 32234, 49061, 64468, 80585, 98122, 156857, 161170, 196244, 245305, 313714, 322340, 490610, 627428, 784285, 981220, 1568570, 3137140, 11136847, 22273694, 44547388, 55684235, 111368470, 222736940]

約数ペア:

[(1, 222736940), (2, 111368470), (4, 55684235), (5, 44547388), (10, 22273694), (20, 11136847), (71, 3137140), (142, 1568570), (227, 981220), (284, 784285), (355, 627428), (454, 490610), (691, 322340), (710, 313714), (908, 245305), (1135, 196244), (1382, 161170), (1420, 156857), (2270, 98122), (2764, 80585), (3455, 64468), (4540, 49061), (6910, 32234), (13820, 16117)]