395931820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{1117}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 856477440

約数和(自身を除く): 460545620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 479, 740, 958, 1117, 1916, 2234, 2395, 4468, 4790, 5585, 9580, 11170, 17723, 22340, 35446, 41329, 70892, 82658, 88615, 165316, 177230, 206645, 354460, 413290, 535043, 826580, 1070086, 2140172, 2675215, 5350430, 10700860, 19796591, 39593182, 79186364, 98982955, 197965910, 395931820]

約数ペア:

[(1, 395931820), (2, 197965910), (4, 98982955), (5, 79186364), (10, 39593182), (20, 19796591), (37, 10700860), (74, 5350430), (148, 2675215), (185, 2140172), (370, 1070086), (479, 826580), (740, 535043), (958, 413290), (1117, 354460), (1916, 206645), (2234, 177230), (2395, 165316), (4468, 88615), (4790, 82658), (5585, 70892), (9580, 41329), (11170, 35446), (17723, 22340)]