178207404

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 442223040

約数和(自身を除く): 264015636

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 67, 69, 92, 134, 138, 201, 268, 276, 402, 419, 529, 804, 838, 1058, 1257, 1541, 1587, 1676, 2116, 2514, 3082, 3174, 4623, 5028, 6164, 6348, 9246, 9637, 18492, 19274, 28073, 28911, 35443, 38548, 56146, 57822, 70886, 84219, 106329, 112292, 115644, 141772, 168438, 212658, 221651, 336876, 425316, 443302, 645679, 664953, 886604, 1291358, 1329906, 1937037, 2582716, 2659812, 3874074, 7748148, 14850617, 29701234, 44551851, 59402468, 89103702, 178207404]

約数ペア:

[(1, 178207404), (2, 89103702), (3, 59402468), (4, 44551851), (6, 29701234), (12, 14850617), (23, 7748148), (46, 3874074), (67, 2659812), (69, 2582716), (92, 1937037), (134, 1329906), (138, 1291358), (201, 886604), (268, 664953), (276, 645679), (402, 443302), (419, 425316), (529, 336876), (804, 221651), (838, 212658), (1058, 168438), (1257, 141772), (1541, 115644), (1587, 112292), (1676, 106329), (2116, 84219), (2514, 70886), (3082, 57822), (3174, 56146), (4623, 38548), (5028, 35443), (6164, 28911), (6348, 28073), (9246, 19274), (9637, 18492)]