142728220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 304593408

約数和(自身を除く): 161865188

約数列:

[1, 2, 4, 5, 10, 20, 151, 167, 283, 302, 334, 566, 604, 668, 755, 835, 1132, 1415, 1510, 1670, 2830, 3020, 3340, 5660, 25217, 42733, 47261, 50434, 85466, 94522, 100868, 126085, 170932, 189044, 213665, 236305, 252170, 427330, 472610, 504340, 854660, 945220, 7136411, 14272822, 28545644, 35682055, 71364110, 142728220]

約数ペア:

[(1, 142728220), (2, 71364110), (4, 35682055), (5, 28545644), (10, 14272822), (20, 7136411), (151, 945220), (167, 854660), (283, 504340), (302, 472610), (334, 427330), (566, 252170), (604, 236305), (668, 213665), (755, 189044), (835, 170932), (1132, 126085), (1415, 100868), (1510, 94522), (1670, 85466), (2830, 50434), (3020, 47261), (3340, 42733), (5660, 25217)]