259151420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 616605696

約数和(自身を除く): 357454276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 71, 94, 110, 142, 188, 220, 235, 284, 353, 355, 470, 517, 706, 710, 781, 940, 1034, 1412, 1420, 1562, 1765, 2068, 2585, 3124, 3337, 3530, 3883, 3905, 5170, 6674, 7060, 7766, 7810, 10340, 13348, 15532, 15620, 16591, 16685, 19415, 25063, 33182, 33370, 36707, 38830, 50126, 66364, 66740, 73414, 77660, 82955, 100252, 125315, 146828, 165910, 182501, 183535, 250630, 275693, 331820, 365002, 367070, 501260, 551386, 730004, 734140, 912505, 1102772, 1177961, 1378465, 1825010, 2355922, 2756930, 3650020, 4711844, 5513860, 5889805, 11779610, 12957571, 23559220, 25915142, 51830284, 64787855, 129575710, 259151420]

約数ペア:

[(1, 259151420), (2, 129575710), (4, 64787855), (5, 51830284), (10, 25915142), (11, 23559220), (20, 12957571), (22, 11779610), (44, 5889805), (47, 5513860), (55, 4711844), (71, 3650020), (94, 2756930), (110, 2355922), (142, 1825010), (188, 1378465), (220, 1177961), (235, 1102772), (284, 912505), (353, 734140), (355, 730004), (470, 551386), (517, 501260), (706, 367070), (710, 365002), (781, 331820), (940, 275693), (1034, 250630), (1412, 183535), (1420, 182501), (1562, 165910), (1765, 146828), (2068, 125315), (2585, 100252), (3124, 82955), (3337, 77660), (3530, 73414), (3883, 66740), (3905, 66364), (5170, 50126), (6674, 38830), (7060, 36707), (7766, 33370), (7810, 33182), (10340, 25063), (13348, 19415), (15532, 16685), (15620, 16591)]