1388960050

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 2627822880

約数和(自身を除く): 1238862830

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 443, 730, 859, 886, 1718, 1825, 2215, 3650, 4295, 4430, 8590, 11075, 21475, 22150, 32339, 42950, 62707, 64678, 125414, 161695, 313535, 323390, 380537, 627070, 761074, 808475, 1567675, 1616950, 1902685, 3135350, 3805370, 9513425, 19026850, 27779201, 55558402, 138896005, 277792010, 694480025, 1388960050]

約数ペア:

[(1, 1388960050), (2, 694480025), (5, 277792010), (10, 138896005), (25, 55558402), (50, 27779201), (73, 19026850), (146, 9513425), (365, 3805370), (443, 3135350), (730, 1902685), (859, 1616950), (886, 1567675), (1718, 808475), (1825, 761074), (2215, 627070), (3650, 380537), (4295, 323390), (4430, 313535), (8590, 161695), (11075, 125414), (21475, 64678), (22150, 62707), (32339, 42950)]