16463020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 40851216

約数和(自身を除く): 24388196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 157, 196, 214, 245, 314, 428, 490, 535, 628, 749, 785, 980, 1070, 1099, 1498, 1570, 2140, 2198, 2996, 3140, 3745, 4396, 5243, 5495, 7490, 7693, 10486, 10990, 14980, 15386, 16799, 20972, 21980, 26215, 30772, 33598, 38465, 52430, 67196, 76930, 83995, 104860, 117593, 153860, 167990, 235186, 335980, 470372, 587965, 823151, 1175930, 1646302, 2351860, 3292604, 4115755, 8231510, 16463020]

約数ペア:

[(1, 16463020), (2, 8231510), (4, 4115755), (5, 3292604), (7, 2351860), (10, 1646302), (14, 1175930), (20, 823151), (28, 587965), (35, 470372), (49, 335980), (70, 235186), (98, 167990), (107, 153860), (140, 117593), (157, 104860), (196, 83995), (214, 76930), (245, 67196), (314, 52430), (428, 38465), (490, 33598), (535, 30772), (628, 26215), (749, 21980), (785, 20972), (980, 16799), (1070, 15386), (1099, 14980), (1498, 10990), (1570, 10486), (2140, 7693), (2198, 7490), (2996, 5495), (3140, 5243), (3745, 4396)]