219030980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4217}}^1$

素因数の和:4293

約数の個数: 72

約数和(自身を含む): 545286168

約数和(自身を除く): 326255188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 4217, 5194, 7420, 8434, 10388, 12985, 16868, 21085, 25970, 29519, 42170, 51940, 59038, 84340, 118076, 147595, 206633, 223501, 295190, 413266, 447002, 590380, 826532, 894004, 1033165, 1117505, 1564507, 2066330, 2235010, 3129014, 4132660, 4470020, 6258028, 7822535, 10951549, 15645070, 21903098, 31290140, 43806196, 54757745, 109515490, 219030980]

約数ペア:

[(1, 219030980), (2, 109515490), (4, 54757745), (5, 43806196), (7, 31290140), (10, 21903098), (14, 15645070), (20, 10951549), (28, 7822535), (35, 6258028), (49, 4470020), (53, 4132660), (70, 3129014), (98, 2235010), (106, 2066330), (140, 1564507), (196, 1117505), (212, 1033165), (245, 894004), (265, 826532), (371, 590380), (490, 447002), (530, 413266), (742, 295190), (980, 223501), (1060, 206633), (1484, 147595), (1855, 118076), (2597, 84340), (3710, 59038), (4217, 51940), (5194, 42170), (7420, 29519), (8434, 25970), (10388, 21085), (12985, 16868)]