157020980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3613}}^1$

素因数の和:3716

約数の個数: 48

約数和(自身を含む): 344255184

約数和(自身を除く): 187234204

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 3613, 4346, 7226, 8692, 10865, 14452, 18065, 21730, 36130, 43460, 72260, 148133, 191489, 296266, 382978, 592532, 740665, 765956, 957445, 1481330, 1914890, 2962660, 3829780, 7851049, 15702098, 31404196, 39255245, 78510490, 157020980]

約数ペア:

[(1, 157020980), (2, 78510490), (4, 39255245), (5, 31404196), (10, 15702098), (20, 7851049), (41, 3829780), (53, 2962660), (82, 1914890), (106, 1481330), (164, 957445), (205, 765956), (212, 740665), (265, 592532), (410, 382978), (530, 296266), (820, 191489), (1060, 148133), (2173, 72260), (3613, 43460), (4346, 36130), (7226, 21730), (8692, 18065), (10865, 14452)]