229712980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 565108488

約数和(自身を除く): 335395508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1493, 1570, 2198, 2986, 3140, 4396, 5495, 5972, 7465, 7693, 10451, 10990, 14930, 15386, 20902, 21980, 29860, 30772, 38465, 41804, 52255, 73157, 76930, 104510, 146314, 153860, 209020, 234401, 292628, 365785, 468802, 731570, 937604, 1172005, 1463140, 1640807, 2344010, 3281614, 4688020, 6563228, 8204035, 11485649, 16408070, 22971298, 32816140, 45942596, 57428245, 114856490, 229712980]

約数ペア:

[(1, 229712980), (2, 114856490), (4, 57428245), (5, 45942596), (7, 32816140), (10, 22971298), (14, 16408070), (20, 11485649), (28, 8204035), (35, 6563228), (49, 4688020), (70, 3281614), (98, 2344010), (140, 1640807), (157, 1463140), (196, 1172005), (245, 937604), (314, 731570), (490, 468802), (628, 365785), (785, 292628), (980, 234401), (1099, 209020), (1493, 153860), (1570, 146314), (2198, 104510), (2986, 76930), (3140, 73157), (4396, 52255), (5495, 41804), (5972, 38465), (7465, 30772), (7693, 29860), (10451, 21980), (10990, 20902), (14930, 15386)]